161602554462 has 64 divisors (see below), whose sum is σ = 336353472000. Its totient is φ = 51698908800.

The previous prime is 161602554439. The next prime is 161602554511. The reversal of 161602554462 is 264455206161.

It is a super-2 number, since 2×161602554462² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56681337 + ... + 56684187.

It is an arithmetic number, because the mean of its divisors is an integer number (5255523000).

Almost surely, 2^161602554462 is an apocalyptic number.

161602554462 is an abundant number, since it is smaller than the sum of its proper divisors (174750917538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161602554462 is a wasteful number, since it uses less digits than its factorization.

161602554462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 161602554462 in words is "one hundred sixty-one billion, six hundred two million, five hundred fifty-four thousand, four hundred sixty-two".