16057988 has 6 divisors (see below), whose sum is σ = 28101486. Its totient is φ = 8028992.

The previous prime is 16057981. The next prime is 16057997. The reversal of 16057988 is 88975061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15984004 + 73984 = 3998^2 + 272^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16057981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007245 + ... + 2007252.

It is an arithmetic number, because the mean of its divisors is an integer number (4683581).

Almost surely, 2^16057988 is an apocalyptic number.

It is an amenable number.

16057988 is a deficient number, since it is larger than the sum of its proper divisors (12043498).

16057988 is a wasteful number, since it uses less digits than its factorization.

16057988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014501 (or 4014499 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 16057988 is about 4007.2419442804. The cubic root of 16057988 is about 252.2882608798.

The spelling of 16057988 in words is "sixteen million, fifty-seven thousand, nine hundred eighty-eight".