157550165567 has 16 divisors (see below), whose sum is σ = 160723332000. Its totient is φ = 154410209280.

The previous prime is 157550165533. The next prime is 157550165573. The reversal of 157550165567 is 765561055751.

It is a cyclic number.

It is not a de Polignac number, because 157550165567 - 2⁶ = 157550165503 is a prime.

It is a super-2 number, since 2×157550165567² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157550165587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28533767 + ... + 28539287.

It is an arithmetic number, because the mean of its divisors is an integer number (10045208250).

Almost surely, 2^157550165567 is an apocalyptic number.

157550165567 is a deficient number, since it is larger than the sum of its proper divisors (3173166433).

157550165567 is a wasteful number, since it uses less digits than its factorization.

157550165567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426.

The product of its (nonzero) digits is 5512500, while the sum is 53.

The spelling of 157550165567 in words is "one hundred fifty-seven billion, five hundred fifty million, one hundred sixty-five thousand, five hundred sixty-seven".