64156930908353 has 16 divisors (see below), whose sum is σ = 67058141010000. Its totient is φ = 61301736824832.

The previous prime is 64156930908349. The next prime is 64156930908373. The reversal of 64156930908353 is 35380903965146.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2253505364224 + 61903425544129 = 1501168^2 + 7867873^2 .

It is a cyclic number.

It is not a de Polignac number, because 64156930908353 - 2² = 64156930908349 is a prime.

It is a super-2 number, since 2×64156930908353² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64156930908373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39855803 + ... + 41434271.

It is an arithmetic number, because the mean of its divisors is an integer number (4191133813125).

Almost surely, 2^{64156930908353} is an apocalyptic number.

It is an amenable number.

64156930908353 is a deficient number, since it is larger than the sum of its proper divisors (2901210101647).

64156930908353 is a wasteful number, since it uses less digits than its factorization.

64156930908353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593044.

The product of its (nonzero) digits is 62985600, while the sum is 62.

The spelling of 64156930908353 in words is "sixty-four trillion, one hundred fifty-six billion, nine hundred thirty million, nine hundred eight thousand, three hundred fifty-three".