632164738 has 4 divisors (see below), whose sum is σ = 948247110. Its totient is φ = 316082368.

The previous prime is 632164723. The next prime is 632164747. The reversal of 632164738 is 837461236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 567249489 + 64915249 = 23817^2 + 8057^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 632164738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158041183 + ... + 158041186.

Almost surely, 2^632164738 is an apocalyptic number.

632164738 is a deficient number, since it is larger than the sum of its proper divisors (316082372).

632164738 is a wasteful number, since it uses less digits than its factorization.

632164738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316082371.

The product of its digits is 145152, while the sum is 40.

The square root of 632164738 is about 25142.8864293661. The cubic root of 632164738 is about 858.2426426902.

The spelling of 632164738 in words is "six hundred thirty-two million, one hundred sixty-four thousand, seven hundred thirty-eight".