16381074 has 8 divisors (see below), whose sum is σ = 32762160. Its totient is φ = 5460356.

The previous prime is 16381067. The next prime is 16381087. The reversal of 16381074 is 47018361.

It is a happy number.

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

16381074 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365084 + ... + 1365095.

It is an arithmetic number, because the mean of its divisors is an integer number (4095270).

Almost surely, 2^16381074 is an apocalyptic number.

16381074 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.

16381074 is a wasteful number, since it uses less digits than its factorization.

16381074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730184.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 16381074 is about 4047.3539504224. The cubic root of 16381074 is about 253.9690478331.

The spelling of 16381074 in words is "sixteen million, three hundred eighty-one thousand, seventy-four".