16577396 has 12 divisors (see below), whose sum is σ = 31647840. Its totient is φ = 7535160.

The previous prime is 16577387. The next prime is 16577399. The reversal of 16577396 is 69377561.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 376759 = 16577396 / (1 + 6 + 5 + 7 + 7 + 3 + 9 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16577399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188336 + ... + 188423.

It is an arithmetic number, because the mean of its divisors is an integer number (2637320).

Almost surely, 2^16577396 is an apocalyptic number.

It is an amenable number.

16577396 is a deficient number, since it is larger than the sum of its proper divisors (15070444).

16577396 is a wasteful number, since it uses less digits than its factorization.

16577396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376774 (or 376772 counting only the distinct ones).

The product of its digits is 238140, while the sum is 44.

The square root of 16577396 is about 4071.5348457308. The cubic root of 16577396 is about 254.9796010851.

The spelling of 16577396 in words is "sixteen million, five hundred seventy-seven thousand, three hundred ninety-six".