6617632239156 has 12 divisors (see below), whose sum is σ = 15441141891392. Its totient is φ = 2205877413048.

The previous prime is 6617632239151. The next prime is 6617632239187. The reversal of 6617632239156 is 6519322367166.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) 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 = 6617632239096 and 6617632239105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6617632239151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275734676620 + ... + 275734676643.

Almost surely, 2^{6617632239156} is an apocalyptic number.

It is an amenable number.

6617632239156 is an abundant number, since it is smaller than the sum of its proper divisors (8823509652236).

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

6617632239156 is a wasteful number, since it uses less digits than its factorization.

6617632239156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551469353270 (or 551469353268 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 57.

The spelling of 6617632239156 in words is "six trillion, six hundred seventeen billion, six hundred thirty-two million, two hundred thirty-nine thousand, one hundred fifty-six".