6642346032 has 100 divisors (see below), whose sum is σ = 21971317456. Its totient is φ = 1897810560.

The previous prime is 6642345959. The next prime is 6642346057. The reversal of 6642346032 is 2306432466.

6642346032 is a `hidden beast` number, since 6 + 6 + 42 + 3 + 4 + 603 + 2 = 666.

It is a super-2 number, since 2×6642346032² = 88241521617652290048, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 357019 + ... + 375162.

Almost surely, 2^6642346032 is an apocalyptic number.

It is an amenable number.

6642346032 is an abundant number, since it is smaller than the sum of its proper divisors (15328971424).

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

6642346032 is a wasteful number, since it uses less digits than its factorization.

6642346032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732208 (or 732193 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The square root of 6642346032 is about 81500.5891512448. The cubic root of 6642346032 is about 1879.7806096787.

Adding to 6642346032 its reverse (2306432466), we get a palindrome (8948778498).

The spelling of 6642346032 in words is "six billion, six hundred forty-two million, three hundred forty-six thousand, thirty-two".