16490974 has 24 divisors (see below), whose sum is σ = 26845560. Its totient is φ = 7576416.

The previous prime is 16490963. The next prime is 16490987. The reversal of 16490974 is 47909461.

16490974 = T₇₃₂ + T₇₃₃ + ... + T₇₈₈.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51864 + ... + 52180.

It is an arithmetic number, because the mean of its divisors is an integer number (1118565).

Almost surely, 2^16490974 is an apocalyptic number.

16490974 is a deficient number, since it is larger than the sum of its proper divisors (10354586).

16490974 is a wasteful number, since it uses less digits than its factorization.

16490974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 16490974 is about 4060.9080265379. The cubic root of 16490974 is about 254.5357386288.

The spelling of 16490974 in words is "sixteen million, four hundred ninety thousand, nine hundred seventy-four".