161326652674 has 16 divisors (see below), whose sum is σ = 271123909056. Its totient is φ = 71348396400.

The previous prime is 161326652651. The next prime is 161326652689. The reversal of 161326652674 is 476256623161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99094182 + ... + 99095809.

It is an arithmetic number, because the mean of its divisors is an integer number (16945244316).

Almost surely, 2^161326652674 is an apocalyptic number.

161326652674 is a deficient number, since it is larger than the sum of its proper divisors (109797256382).

161326652674 is a wasteful number, since it uses less digits than its factorization.

161326652674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198190041.

The product of its digits is 2177280, while the sum is 49.

The spelling of 161326652674 in words is "one hundred sixty-one billion, three hundred twenty-six million, six hundred fifty-two thousand, six hundred seventy-four".