157660836455 has 32 divisors (see below), whose sum is σ = 195149824128. Its totient is φ = 122201497600.

The previous prime is 157660836449. The next prime is 157660836457. The reversal of 157660836455 is 554638066751.

157660836455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157660836455 - 2³⁴ = 140480967271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157660836455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157660836457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71241929 + ... + 71244141.

It is an arithmetic number, because the mean of its divisors is an integer number (6098432004).

Almost surely, 2^157660836455 is an apocalyptic number.

157660836455 is a deficient number, since it is larger than the sum of its proper divisors (37488987673).

157660836455 is a wasteful number, since it uses less digits than its factorization.

157660836455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507.

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 157660836455 in words is "one hundred fifty-seven billion, six hundred sixty million, eight hundred thirty-six thousand, four hundred fifty-five".