16168992 has 48 divisors (see below), whose sum is σ = 48508992. Its totient is φ = 4619520.

The previous prime is 16168991. The next prime is 16169017. The reversal of 16168992 is 29986161.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×16168992² = 522872604592128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (16168991) 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 7 ways as a sum of consecutive naturals, for example, 11359 + ... + 12702.

It is an arithmetic number, because the mean of its divisors is an integer number (1010604).

Almost surely, 2^16168992 is an apocalyptic number.

16168992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16168992 is an abundant number, since it is smaller than the sum of its proper divisors (32340000).

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

16168992 is a wasteful number, since it uses less digits than its factorization.

16168992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24081 (or 24073 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 16168992 is about 4021.0685147110. The cubic root of 16168992 is about 252.8682572188.

The spelling of 16168992 in words is "sixteen million, one hundred sixty-eight thousand, nine hundred ninety-two".