655601132662122 has 32 divisors (see below), whose sum is σ = 1353502169869824. Its totient is φ = 211483758643200.

The previous prime is 655601132662093. The next prime is 655601132662139. The reversal of 655601132662122 is 221266231106556.

It is a super-2 number, since 2×655601132662122² (a number of 30 digits) contains 22 as substring.

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, 83771338 + ... + 91262474.

It is an arithmetic number, because the mean of its divisors is an integer number (42296942808432).

Almost surely, 2^{655601132662122} is an apocalyptic number.

655601132662122 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

655601132662122 is an abundant number, since it is smaller than the sum of its proper divisors (697901037207702).

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

655601132662122 is a wasteful number, since it uses less digits than its factorization.

655601132662122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7961694.

The product of its (nonzero) digits is 1555200, while the sum is 48.

Adding to 655601132662122 its reverse (221266231106556), we get a palindrome (876867363768678).

The spelling of 655601132662122 in words is "six hundred fifty-five trillion, six hundred one billion, one hundred thirty-two million, six hundred sixty-two thousand, one hundred twenty-two".