161477692300 has 72 divisors (see below), whose sum is σ = 359079204960. Its totient is φ = 62993548800.

The previous prime is 161477692241. The next prime is 161477692331. The reversal of 161477692300 is 3296774161.

It is a super-3 number, since 3×161477692300³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16423786 + ... + 16433614.

It is an arithmetic number, because the mean of its divisors is an integer number (4987211180).

Almost surely, 2^161477692300 is an apocalyptic number.

161477692300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161477692300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179539602480).

161477692300 is an abundant number, since it is smaller than the sum of its proper divisors (197601512660).

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

161477692300 is a wasteful number, since it uses less digits than its factorization.

161477692300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13891 (or 13884 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 161477692300 in words is "one hundred sixty-one billion, four hundred seventy-seven million, six hundred ninety-two thousand, three hundred".