157528162090 has 48 divisors (see below), whose sum is σ = 312629358888. Its totient is φ = 56811500928.

The previous prime is 157528162067. The next prime is 157528162093. The reversal of 157528162090 is 90261825751.

It can be written as a sum of positive squares in 4 ways, for example, as 95134616721 + 62393545369 = 308439^2 + 249787^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157528162090.

It is not an unprimeable number, because it can be changed into a prime (157528162093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87309 + ... + 568048.

Almost surely, 2^157528162090 is an apocalyptic number.

157528162090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157528162090 is a deficient number, since it is larger than the sum of its proper divisors (155101196798).

157528162090 is a wasteful number, since it uses less digits than its factorization.

157528162090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655463 (or 655420 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 157528162090 in words is "one hundred fifty-seven billion, five hundred twenty-eight million, one hundred sixty-two thousand, ninety".