911534774664 has 32 divisors (see below), whose sum is σ = 2398775724000. Its totient is φ = 287853086592.

The previous prime is 911534774611. The next prime is 911534774747. The reversal of 911534774664 is 466477435119.

911534774664 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999489429 + ... + 999490340.

It is an arithmetic number, because the mean of its divisors is an integer number (74961741375).

Almost surely, 2^911534774664 is an apocalyptic number.

It is an amenable number.

911534774664 is an abundant number, since it is smaller than the sum of its proper divisors (1487240949336).

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

911534774664 is a wasteful number, since it uses less digits than its factorization.

911534774664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998979797 (or 1998979793 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The spelling of 911534774664 in words is "nine hundred eleven billion, five hundred thirty-four million, seven hundred seventy-four thousand, six hundred sixty-four".