316153452638 has 32 divisors (see below), whose sum is σ = 500930956800. Its totient is φ = 149235077376.

The previous prime is 316153452607. The next prime is 316153452673. The reversal of 316153452638 is 836254351613.

It is a super-2 number, since 2×316153452638² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 316153452592 and 316153452601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23105483 + ... + 23119161.

It is an arithmetic number, because the mean of its divisors is an integer number (15654092400).

Almost surely, 2^316153452638 is an apocalyptic number.

316153452638 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

316153452638 is a deficient number, since it is larger than the sum of its proper divisors (184777504162).

316153452638 is a wasteful number, since it uses less digits than its factorization.

316153452638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15776.

The product of its digits is 1555200, while the sum is 47.

The spelling of 316153452638 in words is "three hundred sixteen billion, one hundred fifty-three million, four hundred fifty-two thousand, six hundred thirty-eight".