16977332 has 6 divisors (see below), whose sum is σ = 29710338. Its totient is φ = 8488664.

The previous prime is 16977319. The next prime is 16977341. The reversal of 16977332 is 23377961.

It can be written as a sum of positive squares in only one way, i.e., 16048036 + 929296 = 4006^2 + 964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122163 + ... + 2122170.

It is an arithmetic number, because the mean of its divisors is an integer number (4951723).

Almost surely, 2^16977332 is an apocalyptic number.

It is an amenable number.

16977332 is a deficient number, since it is larger than the sum of its proper divisors (12733006).

16977332 is a wasteful number, since it uses less digits than its factorization.

16977332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244337 (or 4244335 counting only the distinct ones).

The product of its digits is 47628, while the sum is 38.

The square root of 16977332 is about 4120.3558098786. The cubic root of 16977332 is about 257.0138223273.

The spelling of 16977332 in words is "sixteen million, nine hundred seventy-seven thousand, three hundred thirty-two".