161562070 has 16 divisors (see below), whose sum is σ = 291889728. Its totient is φ = 64385280.

The previous prime is 161562061. The next prime is 161562131. The reversal of 161562070 is 70265161.

It is a super-2 number, since 2×161562070² = 52204604925369800, which 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 7 ways as a sum of consecutive naturals, for example, 27099 + ... + 32518.

It is an arithmetic number, because the mean of its divisors is an integer number (18243108).

Almost surely, 2^161562070 is an apocalyptic number.

161562070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161562070 is a deficient number, since it is larger than the sum of its proper divisors (130327658).

161562070 is a wasteful number, since it uses less digits than its factorization.

161562070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59895.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 161562070 is about 12710.7069040239. The cubic root of 161562070 is about 544.6445175025.

The spelling of 161562070 in words is "one hundred sixty-one million, five hundred sixty-two thousand, seventy".