16499057 has 16 divisors (see below), whose sum is σ = 17772480. Its totient is φ = 15288000.

The previous prime is 16499053. The next prime is 16499083. The reversal of 16499057 is 75099461.

It is a cyclic number.

It is not a de Polignac number, because 16499057 - 2² = 16499053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16499053) 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, 125882 + ... + 126012.

It is an arithmetic number, because the mean of its divisors is an integer number (1110780).

Almost surely, 2^16499057 is an apocalyptic number.

It is an amenable number.

16499057 is a deficient number, since it is larger than the sum of its proper divisors (1273423).

16499057 is a wasteful number, since it uses less digits than its factorization.

16499057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 16499057 is about 4061.9031253835. The cubic root of 16499057 is about 254.5773184717.

The spelling of 16499057 in words is "sixteen million, four hundred ninety-nine thousand, fifty-seven".