632561716 has 6 divisors (see below), whose sum is σ = 1106983010. Its totient is φ = 316280856.

The previous prime is 632561689. The next prime is 632561723. The reversal of 632561716 is 617165236.

It can be written as a sum of positive squares in only one way, i.e., 622702116 + 9859600 = 24954^2 + 3140^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79070211 + ... + 79070218.

Almost surely, 2^632561716 is an apocalyptic number.

It is an amenable number.

632561716 is a deficient number, since it is larger than the sum of its proper divisors (474421294).

632561716 is a wasteful number, since it uses less digits than its factorization.

632561716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158140433 (or 158140431 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 632561716 is about 25150.7796300632. The cubic root of 632561716 is about 858.4222541826.

The spelling of 632561716 in words is "six hundred thirty-two million, five hundred sixty-one thousand, seven hundred sixteen".