161022401060 has 48 divisors (see below), whose sum is σ = 341234040000. Its totient is φ = 63822743424.

The previous prime is 161022401027. The next prime is 161022401077. The reversal of 161022401060 is 60104220161.

It is a super-3 number, since 3×161022401060³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398566 + ... + 1509314.

It is an arithmetic number, because the mean of its divisors is an integer number (7109042500).

Almost surely, 2^161022401060 is an apocalyptic number.

161022401060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161022401060 is an abundant number, since it is smaller than the sum of its proper divisors (180211638940).

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

161022401060 is a wasteful number, since it uses less digits than its factorization.

161022401060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111420 (or 111418 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 161022401060 in words is "one hundred sixty-one billion, twenty-two million, four hundred one thousand, sixty".