1632563401 has 16 divisors (see below), whose sum is σ = 1898881920. Its totient is φ = 1374721920.

The previous prime is 1632563393. The next prime is 1632563411. The reversal of 1632563401 is 1043652361.

It is a cyclic number.

It is not a de Polignac number, because 1632563401 - 2³ = 1632563393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1632563411) 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, 89466 + ... + 106156.

It is an arithmetic number, because the mean of its divisors is an integer number (118680120).

Almost surely, 2^1632563401 is an apocalyptic number.

It is an amenable number.

1632563401 is a deficient number, since it is larger than the sum of its proper divisors (266318519).

1632563401 is a wasteful number, since it uses less digits than its factorization.

1632563401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16944.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1632563401 is about 40404.9922781827. The cubic root of 1632563401 is about 1177.4885302020.

The spelling of 1632563401 in words is "one billion, six hundred thirty-two million, five hundred sixty-three thousand, four hundred one".