16157768 has 16 divisors (see below), whose sum is σ = 33050160. Its totient is φ = 7344400.

The previous prime is 16157761. The next prime is 16157783. The reversal of 16157768 is 86775161.

It is a super-2 number, since 2×16157768² = 522146933483648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16157761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91718 + ... + 91893.

It is an arithmetic number, because the mean of its divisors is an integer number (2065635).

Almost surely, 2^16157768 is an apocalyptic number.

It is an amenable number.

16157768 is an abundant number, since it is smaller than the sum of its proper divisors (16892392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16157768 is a wasteful number, since it uses less digits than its factorization.

16157768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183628 (or 183624 counting only the distinct ones).

The product of its digits is 70560, while the sum is 41.

The square root of 16157768 is about 4019.6726234856. The cubic root of 16157768 is about 252.8097326408.

The spelling of 16157768 in words is "sixteen million, one hundred fifty-seven thousand, seven hundred sixty-eight".