157336640864645 has 64 divisors (see below), whose sum is σ = 211767972514560. Its totient is φ = 111230819481600.

The previous prime is 157336640864489. The next prime is 157336640864651. The reversal of 157336640864645 is 546468046633751.

It is not a de Polignac number, because 157336640864645 - 2¹⁰ = 157336640863621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 595973375 + ... + 596237315.

It is an arithmetic number, because the mean of its divisors is an integer number (3308874570540).

Almost surely, 2^{157336640864645} is an apocalyptic number.

It is an amenable number.

157336640864645 is a deficient number, since it is larger than the sum of its proper divisors (54431331649915).

157336640864645 is a wasteful number, since it uses less digits than its factorization.

157336640864645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265206.

The product of its (nonzero) digits is 1045094400, while the sum is 68.

The spelling of 157336640864645 in words is "one hundred fifty-seven trillion, three hundred thirty-six billion, six hundred forty million, eight hundred sixty-four thousand, six hundred forty-five".