16407057 has 8 divisors (see below), whose sum is σ = 23162976. Its totient is φ = 10294592.

The previous prime is 16407049. The next prime is 16407071. The reversal of 16407057 is 75070461.

It is a happy number.

16407057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 16407057 - 2³ = 16407049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16407047) 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, 160803 + ... + 160904.

It is an arithmetic number, because the mean of its divisors is an integer number (2895372).

Almost surely, 2^16407057 is an apocalyptic number.

16407057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16407057 is a deficient number, since it is larger than the sum of its proper divisors (6755919).

16407057 is a wasteful number, since it uses less digits than its factorization.

16407057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321727.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 16407057 is about 4050.5625535227. The cubic root of 16407057 is about 254.1032553925.

The spelling of 16407057 in words is "sixteen million, four hundred seven thousand, fifty-seven".