1631102164 has 6 divisors (see below), whose sum is σ = 2854428794. Its totient is φ = 815551080.

The previous prime is 1631102159. The next prime is 1631102171. The reversal of 1631102164 is 4612011361.

It can be written as a sum of positive squares in only one way, i.e., 1119437764 + 511664400 = 33458^2 + 22620^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 203887767 + ... + 203887774.

Almost surely, 2^1631102164 is an apocalyptic number.

It is an amenable number.

1631102164 is a deficient number, since it is larger than the sum of its proper divisors (1223326630).

1631102164 is a wasteful number, since it uses less digits than its factorization.

1631102164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407775545 (or 407775543 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1631102164 is about 40386.9058483068. The cubic root of 1631102164 is about 1177.1371189585.

The spelling of 1631102164 in words is "one billion, six hundred thirty-one million, one hundred two thousand, one hundred sixty-four".