157763073636 has 189 divisors, whose sum is σ = 467677560441. Its totient is φ = 44841613824.

The previous prime is 157763073607. The next prime is 157763073661. The reversal of 157763073636 is 636370367751.

The square root of 157763073636 is 397194.

It is a perfect power (a square), and thus also a powerful number.

157763073636 is a `hidden beast` number, since 1 + 577 + 6 + 3 + 0 + 7 + 3 + 63 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38224160100 + 119538913536 = 195510^2 + 345744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 817425156 + ... + 817425348.

Almost surely, 2^157763073636 is an apocalyptic number.

157763073636 is the 397194-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157763073636

157763073636 is an abundant number, since it is smaller than the sum of its proper divisors (309914486805).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157763073636 is an frugal number, since it uses more digits than its factorization.

157763073636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 10001880, while the sum is 54.

The spelling of 157763073636 in words is "one hundred fifty-seven billion, seven hundred sixty-three million, seventy-three thousand, six hundred thirty-six".