65163672 has 48 divisors (see below), whose sum is σ = 201698640. Its totient is φ = 18618048.

The previous prime is 65163653. The next prime is 65163701. The reversal of 65163672 is 27636156.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64143 + ... + 65150.

It is an arithmetic number, because the mean of its divisors is an integer number (4202055).

Almost surely, 2^65163672 is an apocalyptic number.

It is an amenable number.

65163672 is an abundant number, since it is smaller than the sum of its proper divisors (136534968).

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

65163672 is a wasteful number, since it uses less digits than its factorization.

65163672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129312 (or 129305 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 65163672 is about 8072.4018730487. The cubic root of 65163672 is about 402.4097700345.

The spelling of 65163672 in words is "sixty-five million, one hundred sixty-three thousand, six hundred seventy-two".