161074000 has 40 divisors (see below), whose sum is σ = 389481768. Its totient is φ = 64428800.

The previous prime is 161073967. The next prime is 161074013. The reversal of 161074000 is 470161.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9193024 + 151880976 = 3032^2 + 12324^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 38269 + ... + 42268.

Almost surely, 2^161074000 is an apocalyptic number.

161074000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161074000 is an abundant number, since it is smaller than the sum of its proper divisors (228407768).

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

161074000 is an equidigital number, since it uses as much as digits as its factorization.

161074000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80560 (or 80544 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 161074000 is about 12691.4932139603. The cubic root of 161074000 is about 544.0955173973.

The spelling of 161074000 in words is "one hundred sixty-one million, seventy-four thousand".