161203074 has 8 divisors (see below), whose sum is σ = 322406160. Its totient is φ = 53734356.

The previous prime is 161203073. The next prime is 161203079. The reversal of 161203074 is 470302161.

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

161203074 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (161203073) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13433584 + ... + 13433595.

It is an arithmetic number, because the mean of its divisors is an integer number (40300770).

Almost surely, 2^161203074 is an apocalyptic number.

161203074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161203074 is a wasteful number, since it uses less digits than its factorization.

161203074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26867184.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 161203074 is about 12696.5772553078. The cubic root of 161203074 is about 544.2408125915.

The spelling of 161203074 in words is "one hundred sixty-one million, two hundred three thousand, seventy-four".