16497474 has 32 divisors (see below), whose sum is σ = 38071296. Its totient is φ = 4668240.

The previous prime is 16497473. The next prime is 16497479. The reversal of 16497474 is 47479461.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16497473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2659 + ... + 6329.

It is an arithmetic number, because the mean of its divisors is an integer number (1189728).

Almost surely, 2^16497474 is an apocalyptic number.

16497474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16497474 is an abundant number, since it is smaller than the sum of its proper divisors (21573822).

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

16497474 is a wasteful number, since it uses less digits than its factorization.

16497474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790.

The product of its digits is 169344, while the sum is 42.

The square root of 16497474 is about 4061.7082613108. The cubic root of 16497474 is about 254.5691764148.

The spelling of 16497474 in words is "sixteen million, four hundred ninety-seven thousand, four hundred seventy-four".