157888553329 has 4 divisors (see below), whose sum is σ = 170033826676. Its totient is φ = 145743279984.

The previous prime is 157888553323. The next prime is 157888553411. The reversal of 157888553329 is 923355888751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43189152400 + 114699400929 = 207820^2 + 338673^2 .

It is a cyclic number.

It is not a de Polignac number, because 157888553329 - 2¹³ = 157888545137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157888553323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6072636654 + ... + 6072636679.

It is an arithmetic number, because the mean of its divisors is an integer number (42508456669).

Almost surely, 2^157888553329 is an apocalyptic number.

It is an amenable number.

157888553329 is a deficient number, since it is larger than the sum of its proper divisors (12145273347).

157888553329 is a wasteful number, since it uses less digits than its factorization.

157888553329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12145273346.

The product of its digits is 72576000, while the sum is 64.

The spelling of 157888553329 in words is "one hundred fifty-seven billion, eight hundred eighty-eight million, five hundred fifty-three thousand, three hundred twenty-nine".