901665312 has 48 divisors (see below), whose sum is σ = 2506103712. Its totient is φ = 282874880.

The previous prime is 901665299. The next prime is 901665341. The reversal of 901665312 is 213566109.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 274614 + ... + 277877.

It is an arithmetic number, because the mean of its divisors is an integer number (52210494).

Almost surely, 2^901665312 is an apocalyptic number.

It is an amenable number.

901665312 is an abundant number, since it is smaller than the sum of its proper divisors (1604438400).

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

901665312 is a wasteful number, since it uses less digits than its factorization.

901665312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552521 (or 552513 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 901665312 is about 30027.7423726793. The cubic root of 901665312 is about 966.0845143791.

The spelling of 901665312 in words is "nine hundred one million, six hundred sixty-five thousand, three hundred twelve".