161334630764 has 48 divisors (see below), whose sum is σ = 302251622400. Its totient is φ = 75129814656.

The previous prime is 161334630739. The next prime is 161334630767. The reversal of 161334630764 is 467036433161.

It is not an unprimeable number, because it can be changed into a prime (161334630767) 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, 1341269 + ... + 1456595.

It is an arithmetic number, because the mean of its divisors is an integer number (6296908800).

Almost surely, 2^161334630764 is an apocalyptic number.

It is an amenable number.

161334630764 is a deficient number, since it is larger than the sum of its proper divisors (140916991636).

161334630764 is a wasteful number, since it uses less digits than its factorization.

161334630764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115662 (or 115660 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 161334630764 in words is "one hundred sixty-one billion, three hundred thirty-four million, six hundred thirty thousand, seven hundred sixty-four".