912191036664 has 64 divisors (see below), whose sum is σ = 2315442954240. Its totient is φ = 299405272320.

The previous prime is 912191036623. The next prime is 912191036683. The reversal of 912191036664 is 466630191219.

It is a happy number.

912191036664 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 congruent number.

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, 3941257 + ... + 4166279.

It is an arithmetic number, because the mean of its divisors is an integer number (36178796160).

Almost surely, 2^912191036664 is an apocalyptic number.

It is an amenable number.

912191036664 is an abundant number, since it is smaller than the sum of its proper divisors (1403251917576).

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

912191036664 is a wasteful number, since it uses less digits than its factorization.

912191036664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227620 (or 227616 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 912191036664 in words is "nine hundred twelve billion, one hundred ninety-one million, thirty-six thousand, six hundred sixty-four".