3646731066 has 64 divisors (see below), whose sum is σ = 8645529600. Its totient is φ = 1013126400.

The previous prime is 3646731041. The next prime is 3646731073. The reversal of 3646731066 is 6601376463.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8031 + ... + 85778.

It is an arithmetic number, because the mean of its divisors is an integer number (135086400).

Almost surely, 2^3646731066 is an apocalyptic number.

3646731066 is an abundant number, since it is smaller than the sum of its proper divisors (4998798534).

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

3646731066 is a wasteful number, since it uses less digits than its factorization.

3646731066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93875.

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 3646731066 is about 60388.1699176254. The cubic root of 3646731066 is about 1539.2219415358.

The spelling of 3646731066 in words is "three billion, six hundred forty-six million, seven hundred thirty-one thousand, sixty-six".