61164151 has 8 divisors (see below), whose sum is σ = 62744000. Its totient is φ = 59603040.

The previous prime is 61164149. The next prime is 61164193. The reversal of 61164151 is 15146116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61164151 - 2¹ = 61164149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61164101) 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, 2050 + ... + 11248.

It is an arithmetic number, because the mean of its divisors is an integer number (7843000).

Almost surely, 2^61164151 is an apocalyptic number.

61164151 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

61164151 is a deficient number, since it is larger than the sum of its proper divisors (1579849).

61164151 is a wasteful number, since it uses less digits than its factorization.

61164151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9369.

The product of its digits is 720, while the sum is 25.

The square root of 61164151 is about 7820.7513066201. The cubic root of 61164151 is about 394.0025058461.

The spelling of 61164151 in words is "sixty-one million, one hundred sixty-four thousand, one hundred fifty-one".