16351492 has 6 divisors (see below), whose sum is σ = 28615118. Its totient is φ = 8175744.

The previous prime is 16351487. The next prime is 16351493. The reversal of 16351492 is 29415361.

It can be written as a sum of positive squares in only one way, i.e., 14853316 + 1498176 = 3854^2 + 1224^2 .

It is not an unprimeable number, because it can be changed into a prime (16351493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2043933 + ... + 2043940.

Almost surely, 2^16351492 is an apocalyptic number.

It is an amenable number.

16351492 is a deficient number, since it is larger than the sum of its proper divisors (12263626).

16351492 is a wasteful number, since it uses less digits than its factorization.

16351492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087877 (or 4087875 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 16351492 is about 4043.6978126462. The cubic root of 16351492 is about 253.8160778193.

The spelling of 16351492 in words is "sixteen million, three hundred fifty-one thousand, four hundred ninety-two".