161576030 has 96 divisors (see below), whose sum is σ = 381376512. Its totient is φ = 48686400.

The previous prime is 161576027. The next prime is 161576053. The reversal of 161576030 is 30675161.

161576030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161576030² = 52213626941121800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161575984 and 161576002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166607 + ... + 167573.

It is an arithmetic number, because the mean of its divisors is an integer number (3972672).

Almost surely, 2^161576030 is an apocalyptic number.

161576030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161576030 is an abundant number, since it is smaller than the sum of its proper divisors (219800482).

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

161576030 is a wasteful number, since it uses less digits than its factorization.

161576030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 161576030 is about 12711.2560354986. The cubic root of 161576030 is about 544.6602039783.

The spelling of 161576030 in words is "one hundred sixty-one million, five hundred seventy-six thousand, thirty".