189777416 has 16 divisors (see below), whose sum is σ = 371304000. Its totient is φ = 90763024.

The previous prime is 189777383. The next prime is 189777431. The reversal of 189777416 is 614777981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515516 + ... + 515883.

It is an arithmetic number, because the mean of its divisors is an integer number (23206500).

Almost surely, 2^189777416 is an apocalyptic number.

It is an amenable number.

189777416 is a deficient number, since it is larger than the sum of its proper divisors (181526584).

189777416 is a wasteful number, since it uses less digits than its factorization.

189777416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031428 (or 1031424 counting only the distinct ones).

The product of its digits is 592704, while the sum is 50.

The square root of 189777416 is about 13775.9724157680. The cubic root of 189777416 is about 574.6651267507.

The spelling of 189777416 in words is "one hundred eighty-nine million, seven hundred seventy-seven thousand, four hundred sixteen".