161465074 has 8 divisors (see below), whose sum is σ = 242499420. Its totient is φ = 80631936.

The previous prime is 161465071. The next prime is 161465089. The reversal of 161465074 is 470564161.

It can be written as a sum of positive squares in 2 ways, for example, as 156425049 + 5040025 = 12507^2 + 2245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (161465071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48279 + ... + 51514.

Almost surely, 2^161465074 is an apocalyptic number.

161465074 is a deficient number, since it is larger than the sum of its proper divisors (81034346).

161465074 is an equidigital number, since it uses as much as digits as its factorization.

161465074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100604.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 161465074 is about 12706.8908077468. The cubic root of 161465074 is about 544.5355007529.

The spelling of 161465074 in words is "one hundred sixty-one million, four hundred sixty-five thousand, seventy-four".