8901607665 has 16 divisors (see below), whose sum is σ = 14375683008. Its totient is φ = 4703153856.

The previous prime is 8901607661. The next prime is 8901607669. The reversal of 8901607665 is 5667061098.

It is an interprime number because it is at equal distance from previous prime (8901607661) and next prime (8901607669).

It is not a de Polignac number, because 8901607665 - 2² = 8901607661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8901607661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2771482 + ... + 2774691.

It is an arithmetic number, because the mean of its divisors is an integer number (898480188).

Almost surely, 2^8901607665 is an apocalyptic number.

It is an amenable number.

8901607665 is a deficient number, since it is larger than the sum of its proper divisors (5474075343).

8901607665 is a wasteful number, since it uses less digits than its factorization.

8901607665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546288.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 8901607665 is about 94348.3315432764. The cubic root of 8901607665 is about 2072.4758713080.

The spelling of 8901607665 in words is "eight billion, nine hundred one million, six hundred seven thousand, six hundred sixty-five".