161574696 has 64 divisors (see below), whose sum is σ = 455011200. Its totient is φ = 53115264.

The previous prime is 161574683. The next prime is 161574709. The reversal of 161574696 is 696475161.

161574696 is a `hidden beast` number, since 16 + 1 + 574 + 69 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (161574683) and next prime (161574709).

It is a super-2 number, since 2×161574696² = 52212764774984832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10645 + ... + 20891.

It is an arithmetic number, because the mean of its divisors is an integer number (7109550).

Almost surely, 2^161574696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161574696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227505600).

161574696 is an abundant number, since it is smaller than the sum of its proper divisors (293436504).

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

161574696 is a wasteful number, since it uses less digits than its factorization.

161574696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10335 (or 10325 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 161574696 is about 12711.2035622124. The cubic root of 161574696 is about 544.6587050375.

The spelling of 161574696 in words is "one hundred sixty-one million, five hundred seventy-four thousand, six hundred ninety-six".