16977129 has 16 divisors (see below), whose sum is σ = 24451392. Its totient is φ = 10415808.

The previous prime is 16977113. The next prime is 16977133. The reversal of 16977129 is 92177961.

It is a happy number.

It is not a de Polignac number, because 16977129 - 2⁴ = 16977113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16977029) 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, 24739 + ... + 25415.

It is an arithmetic number, because the mean of its divisors is an integer number (1528212).

Almost surely, 2^16977129 is an apocalyptic number.

It is an amenable number.

16977129 is a deficient number, since it is larger than the sum of its proper divisors (7474263).

16977129 is a wasteful number, since it uses less digits than its factorization.

16977129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its digits is 47628, while the sum is 42.

The square root of 16977129 is about 4120.3311760100. The cubic root of 16977129 is about 257.0127979415.

The spelling of 16977129 in words is "sixteen million, nine hundred seventy-seven thousand, one hundred twenty-nine".