10637778656 has 48 divisors (see below), whose sum is σ = 21499279200. Its totient is φ = 5178193920.

The previous prime is 10637778629. The next prime is 10637778659. The reversal of 10637778656 is 65687773601.

It is a super-2 number, since 2×10637778656² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10637778659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630620 + ... + 647268.

It is an arithmetic number, because the mean of its divisors is an integer number (447901650).

Almost surely, 2^10637778656 is an apocalyptic number.

10637778656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10637778656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10749639600).

10637778656 is an abundant number, since it is smaller than the sum of its proper divisors (10861500544).

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

10637778656 is a wasteful number, since it uses less digits than its factorization.

10637778656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17187 (or 17179 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 10637778656 in words is "ten billion, six hundred thirty-seven million, seven hundred seventy-eight thousand, six hundred fifty-six".