3632666401 has 48 divisors (see below), whose sum is σ = 4735395840. Its totient is φ = 2759702400.

The previous prime is 3632666377. The next prime is 3632666423. The reversal of 3632666401 is 1046662363.

It is a de Polignac number, because none of the positive numbers 2^k-3632666401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (3632666491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1860976 + ... + 1862926.

It is an arithmetic number, because the mean of its divisors is an integer number (98654080).

Almost surely, 2^3632666401 is an apocalyptic number.

It is an amenable number.

3632666401 is a deficient number, since it is larger than the sum of its proper divisors (1102729439).

3632666401 is a wasteful number, since it uses less digits than its factorization.

3632666401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094 (or 2087 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 3632666401 is about 60271.6052631751. The cubic root of 3632666401 is about 1537.2405750496.

The spelling of 3632666401 in words is "three billion, six hundred thirty-two million, six hundred sixty-six thousand, four hundred one".