161374000 has 40 divisors (see below), whose sum is σ = 390207168. Its totient is φ = 64548800.

The previous prime is 161373997. The next prime is 161374001. The reversal of 161374000 is 473161.

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

It is not an unprimeable number, because it can be changed into a prime (161374001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38344 + ... + 42343.

Almost surely, 2^161374000 is an apocalyptic number.

161374000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161374000 is an abundant number, since it is smaller than the sum of its proper divisors (228833168).

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

161374000 is an equidigital number, since it uses as much as digits as its factorization.

161374000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80710 (or 80694 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 161374000 is about 12703.3066561427. The cubic root of 161374000 is about 544.4331001693.

The spelling of 161374000 in words is "one hundred sixty-one million, three hundred seventy-four thousand".