775651413421164 has 24 divisors (see below), whose sum is σ = 2068403769123328. Its totient is φ = 221614689548880.

The previous prime is 775651413421163. The next prime is 775651413421193. The reversal of 775651413421164 is 461124314156577.

It is a super-2 number, since 2×775651413421164² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (775651413421163) 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, 4616972698852 + ... + 4616972699019.

Almost surely, 2^{775651413421164} is an apocalyptic number.

It is an amenable number.

775651413421164 is an abundant number, since it is smaller than the sum of its proper divisors (1292752355702164).

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

775651413421164 is a wasteful number, since it uses less digits than its factorization.

775651413421164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233945397885 (or 9233945397883 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The spelling of 775651413421164 in words is "seven hundred seventy-five trillion, six hundred fifty-one billion, four hundred thirteen million, four hundred twenty-one thousand, one hundred sixty-four".