2151654260 has 24 divisors (see below), whose sum is σ = 5163970560. Its totient is φ = 737709984.

The previous prime is 2151654251. The next prime is 2151654269. The reversal of 2151654260 is 624561512.

It is an interprime number because it is at equal distance from previous prime (2151654251) and next prime (2151654269).

It is a super-2 number, since 2×2151654260² = 9259232109152295200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151654269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7684340 + ... + 7684619.

It is an arithmetic number, because the mean of its divisors is an integer number (215165440).

Almost surely, 2^2151654260 is an apocalyptic number.

2151654260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151654260 is an abundant number, since it is smaller than the sum of its proper divisors (3012316300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2151654260 is a wasteful number, since it uses less digits than its factorization.

2151654260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15368975 (or 15368973 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2151654260 is about 46385.9273918287. The cubic root of 2151654260 is about 1290.9938178236.

The spelling of 2151654260 in words is "two billion, one hundred fifty-one million, six hundred fifty-four thousand, two hundred sixty".