16977142 has 16 divisors (see below), whose sum is σ = 31342752. Its totient is φ = 6716160.

The previous prime is 16977133. The next prime is 16977143. The reversal of 16977142 is 24177961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16977143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46459 + ... + 46822.

It is an arithmetic number, because the mean of its divisors is an integer number (1958922).

Almost surely, 2^16977142 is an apocalyptic number.

16977142 is a deficient number, since it is larger than the sum of its proper divisors (14365610).

16977142 is a wasteful number, since it uses less digits than its factorization.

16977142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93303.

The product of its digits is 21168, while the sum is 37.

The square root of 16977142 is about 4120.3327535528. The cubic root of 16977142 is about 257.0128635428.

The spelling of 16977142 in words is "sixteen million, nine hundred seventy-seven thousand, one hundred forty-two".