161354524664 has 16 divisors (see below), whose sum is σ = 302582101200. Its totient is φ = 80665964352.

The previous prime is 161354524607. The next prime is 161354524679. The reversal of 161354524664 is 466425453161.

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, 1351397 + ... + 1465940.

It is an arithmetic number, because the mean of its divisors is an integer number (18911381325).

Almost surely, 2^161354524664 is an apocalyptic number.

It is an amenable number.

161354524664 is a deficient number, since it is larger than the sum of its proper divisors (141227576536).

161354524664 is a wasteful number, since it uses less digits than its factorization.

161354524664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824502 (or 2824498 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 47.

The spelling of 161354524664 in words is "one hundred sixty-one billion, three hundred fifty-four million, five hundred twenty-four thousand, six hundred sixty-four".