157511664428 has 12 divisors (see below), whose sum is σ = 287629996080. Its totient is φ = 75331665552.

The previous prime is 157511664341. The next prime is 157511664463. The reversal of 157511664428 is 824466115751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856041563 + ... + 856041746.

It is an arithmetic number, because the mean of its divisors is an integer number (23969166340).

Almost surely, 2^157511664428 is an apocalyptic number.

It is an amenable number.

157511664428 is a deficient number, since it is larger than the sum of its proper divisors (130118331652).

157511664428 is a wasteful number, since it uses less digits than its factorization.

157511664428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712083336 (or 1712083334 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The spelling of 157511664428 in words is "one hundred fifty-seven billion, five hundred eleven million, six hundred sixty-four thousand, four hundred twenty-eight".