16325604 has 24 divisors (see below), whose sum is σ = 42325920. Its totient is φ = 5441832.

The previous prime is 16325563. The next prime is 16325651. The reversal of 16325604 is 40652361.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75474 + ... + 75689.

It is an arithmetic number, because the mean of its divisors is an integer number (1763580).

Almost surely, 2^16325604 is an apocalyptic number.

It is an amenable number.

16325604 is an abundant number, since it is smaller than the sum of its proper divisors (26000316).

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

16325604 is a wasteful number, since it uses less digits than its factorization.

16325604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151176 (or 151168 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 16325604 is about 4040.4955141665. The cubic root of 16325604 is about 253.6820582174.

Adding to 16325604 its reverse (40652361), we get a palindrome (56977965).

The spelling of 16325604 in words is "sixteen million, three hundred twenty-five thousand, six hundred four".