662532671 has 4 divisors (see below), whose sum is σ = 664309272. Its totient is φ = 660756072.

The previous prime is 662532667. The next prime is 662532683. The reversal of 662532671 is 176235266.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 662532671 - 2² = 662532667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662532371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887741 + ... + 888486.

It is an arithmetic number, because the mean of its divisors is an integer number (166077318).

Almost surely, 2^662532671 is an apocalyptic number.

662532671 is a deficient number, since it is larger than the sum of its proper divisors (1776601).

662532671 is a wasteful number, since it uses less digits than its factorization.

662532671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776600.

The product of its digits is 90720, while the sum is 38.

The square root of 662532671 is about 25739.7100022514. The cubic root of 662532671 is about 871.7710305420.

The spelling of 662532671 in words is "six hundred sixty-two million, five hundred thirty-two thousand, six hundred seventy-one".