157620535625 has 30 divisors (see below), whose sum is σ = 229119828498. Its totient is φ = 108082632000.

The previous prime is 157620535603. The next prime is 157620535691. The reversal of 157620535625 is 526535026751.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 78981233296 + 78639302329 = 281036^2 + 280427^2 .

It is not a de Polignac number, because 157620535625 - 2⁶ = 157620535561 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157620535625.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2542772 + ... + 2604021.

Almost surely, 2^157620535625 is an apocalyptic number.

It is an amenable number.

157620535625 is a deficient number, since it is larger than the sum of its proper divisors (71499292873).

157620535625 is an frugal number, since it uses more digits than its factorization.

157620535625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146827 (or 5146805 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 47.

The spelling of 157620535625 in words is "one hundred fifty-seven billion, six hundred twenty million, five hundred thirty-five thousand, six hundred twenty-five".