662132661 has 16 divisors (see below), whose sum is σ = 893798400. Its totient is φ = 435976128.

The previous prime is 662132651. The next prime is 662132687. The reversal of 662132661 is 166231266.

It is not a de Polignac number, because 662132661 - 2⁵ = 662132629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662132621) 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, 83455 + ... + 91043.

It is an arithmetic number, because the mean of its divisors is an integer number (55862400).

Almost surely, 2^662132661 is an apocalyptic number.

It is an amenable number.

662132661 is a deficient number, since it is larger than the sum of its proper divisors (231665739).

662132661 is a wasteful number, since it uses less digits than its factorization.

662132661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7948.

The product of its digits is 15552, while the sum is 33.

The square root of 662132661 is about 25731.9385394882. The cubic root of 662132661 is about 871.5955487134.

The spelling of 662132661 in words is "six hundred sixty-two million, one hundred thirty-two thousand, six hundred sixty-one".