157550165573 has 2 divisors, whose sum is σ = 157550165574. Its totient is φ = 157550165572.

The previous prime is 157550165533. The next prime is 157550165587. The reversal of 157550165573 is 375561055751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133033808644 + 24516356929 = 364738^2 + 156577^2 .

It is a cyclic number.

It is not a de Polignac number, because 157550165573 - 2²⁸ = 157281730117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157550165503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78775082786 + 78775082787.

It is an arithmetic number, because the mean of its divisors is an integer number (78775082787).

Almost surely, 2^157550165573 is an apocalyptic number.

It is an amenable number.

157550165573 is a deficient number, since it is larger than the sum of its proper divisors (1).

157550165573 is an equidigital number, since it uses as much as digits as its factorization.

157550165573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2756250, while the sum is 50.

The spelling of 157550165573 in words is "one hundred fifty-seven billion, five hundred fifty million, one hundred sixty-five thousand, five hundred seventy-three".