161675934 has 32 divisors (see below), whose sum is σ = 370262016. Its totient is φ = 46103520.

The previous prime is 161675929. The next prime is 161675963. The reversal of 161675934 is 439576161.

It is a super-2 number, since 2×161675934² = 52278215269544712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 19939 + ... + 26849.

It is an arithmetic number, because the mean of its divisors is an integer number (11570688).

Almost surely, 2^161675934 is an apocalyptic number.

161675934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161675934 is an abundant number, since it is smaller than the sum of its proper divisors (208586082).

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

161675934 is a wasteful number, since it uses less digits than its factorization.

161675934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480.

The product of its digits is 136080, while the sum is 42.

The square root of 161675934 is about 12715.1851736418. The cubic root of 161675934 is about 544.7724370490.

The spelling of 161675934 in words is "one hundred sixty-one million, six hundred seventy-five thousand, nine hundred thirty-four".