16497946 has 32 divisors (see below), whose sum is σ = 26967168. Its totient is φ = 7550400.

The previous prime is 16497941. The next prime is 16497953. The reversal of 16497946 is 64979461.

16497946 = T₆₆₈ + T₆₆₉ + ... + T₇₃₄.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 16497896 and 16497905.

It is not an unprimeable number, because it can be changed into a prime (16497941) 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, 163296 + ... + 163396.

It is an arithmetic number, because the mean of its divisors is an integer number (842724).

Almost surely, 2^16497946 is an apocalyptic number.

16497946 is a deficient number, since it is larger than the sum of its proper divisors (10469222).

16497946 is a wasteful number, since it uses less digits than its factorization.

16497946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246.

The product of its digits is 326592, while the sum is 46.

The square root of 16497946 is about 4061.7663645266. The cubic root of 16497946 is about 254.5716041704.

It can be divided in two parts, 164979 and 46, that added together give a triangular number (165025 = T₅₇₄).

The spelling of 16497946 in words is "sixteen million, four hundred ninety-seven thousand, nine hundred forty-six".