2051023616 has 36 divisors (see below), whose sum is σ = 4334870232. Its totient is φ = 965185536.

The previous prime is 2051023603. The next prime is 2051023649. The reversal of 2051023616 is 6163201502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231290 + ... + 239993.

It is an arithmetic number, because the mean of its divisors is an integer number (120413062).

Almost surely, 2^2051023616 is an apocalyptic number.

It is an amenable number.

2051023616 is an abundant number, since it is smaller than the sum of its proper divisors (2283846616).

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

2051023616 is an equidigital number, since it uses as much as digits as its factorization.

2051023616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471316 (or 471302 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2051023616 is about 45288.2282276532. The cubic root of 2051023616 is about 1270.5454940624.

The spelling of 2051023616 in words is "two billion, fifty-one million, twenty-three thousand, six hundred sixteen".