216627269157 has 32 divisors (see below), whose sum is σ = 357533971200. Its totient is φ = 128712217536.

The previous prime is 216627269107. The next prime is 216627269179. The reversal of 216627269157 is 751962726612.

It is a happy number.

216627269157 is a `hidden beast` number, since 2 + 1 + 6 + 627 + 2 + 6 + 9 + 1 + 5 + 7 = 666.

It is not a de Polignac number, because 216627269157 - 2⁷ = 216627269029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216627269107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10630713 + ... + 10651070.

It is an arithmetic number, because the mean of its divisors is an integer number (11172936600).

Almost surely, 2^216627269157 is an apocalyptic number.

216627269157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

216627269157 is a deficient number, since it is larger than the sum of its proper divisors (140906702043).

216627269157 is a wasteful number, since it uses less digits than its factorization.

216627269157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21281834 (or 21281828 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The spelling of 216627269157 in words is "two hundred sixteen billion, six hundred twenty-seven million, two hundred sixty-nine thousand, one hundred fifty-seven".