10147766656 has 16 divisors (see below), whose sum is σ = 20216254140. Its totient is φ = 5073883264.

The previous prime is 10147766597. The next prime is 10147766659. The reversal of 10147766656 is 65666774101.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10147766659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39639586 + ... + 39639841.

Almost surely, 2^10147766656 is an apocalyptic number.

10147766656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10147766656 is a deficient number, since it is larger than the sum of its proper divisors (10068487484).

10147766656 is an frugal number, since it uses more digits than its factorization.

10147766656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79279441 (or 79279429 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 10147766656 in words is "ten billion, one hundred forty-seven million, seven hundred sixty-six thousand, six hundred fifty-six".