16077657 has 8 divisors (see below), whose sum is σ = 21935584. Its totient is φ = 10469088.

The previous prime is 16077613. The next prime is 16077661. The reversal of 16077657 is 75677061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16077657 - 2¹⁶ = 16012121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16077557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62188 + ... + 62445.

It is an arithmetic number, because the mean of its divisors is an integer number (2741948).

Almost surely, 2^16077657 is an apocalyptic number.

It is an amenable number.

16077657 is a deficient number, since it is larger than the sum of its proper divisors (5857927).

16077657 is a wasteful number, since it uses less digits than its factorization.

16077657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124679.

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 16077657 is about 4009.6953749630. The cubic root of 16077657 is about 252.3912258991.

The spelling of 16077657 in words is "sixteen million, seventy-seven thousand, six hundred fifty-seven".