161711153104 has 20 divisors (see below), whose sum is σ = 319981644864. Its totient is φ = 79135244768.

The previous prime is 161711153083. The next prime is 161711153129. The reversal of 161711153104 is 401351117161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107519962 + ... + 107521465.

Almost surely, 2^161711153104 is an apocalyptic number.

It is an amenable number.

161711153104 is a deficient number, since it is larger than the sum of its proper divisors (158270491760).

161711153104 is a wasteful number, since it uses less digits than its factorization.

161711153104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215041482 (or 215041476 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 161711153104 in words is "one hundred sixty-one billion, seven hundred eleven million, one hundred fifty-three thousand, one hundred four".