157516206651 has 12 divisors (see below), whose sum is σ = 227545631040. Its totient is φ = 105000548400.

The previous prime is 157516206619. The next prime is 157516206677. The reversal of 157516206651 is 156602615751.

It is a happy number.

157516206651 is a `hidden beast` number, since 1 + 5 + 7 + 516 + 20 + 66 + 51 = 666.

It is not a de Polignac number, because 157516206651 - 2⁵ = 157516206619 is a prime.

It is a super-2 number, since 2×157516206651² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 157516206597 and 157516206606.

It is not an unprimeable number, because it can be changed into a prime (157516276651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756811 + ... + 942228.

It is an arithmetic number, because the mean of its divisors is an integer number (18962135920).

Almost surely, 2^157516206651 is an apocalyptic number.

157516206651 is a deficient number, since it is larger than the sum of its proper divisors (70029424389).

157516206651 is a wasteful number, since it uses less digits than its factorization.

157516206651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709346 (or 1709343 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 157516206651 in words is "one hundred fifty-seven billion, five hundred sixteen million, two hundred six thousand, six hundred fifty-one".