16142091988 has 24 divisors (see below), whose sum is σ = 31188013920. Its totient is φ = 7248911520.

The previous prime is 16142091947. The next prime is 16142092007. The reversal of 16142091988 is 88919024161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206383 + ... + 2213686.

It is an arithmetic number, because the mean of its divisors is an integer number (1299500580).

Almost surely, 2^16142091988 is an apocalyptic number.

It is an amenable number.

16142091988 is a deficient number, since it is larger than the sum of its proper divisors (15045921932).

16142091988 is a wasteful number, since it uses less digits than its factorization.

16142091988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420167 (or 4420165 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 16142091988 in words is "sixteen billion, one hundred forty-two million, ninety-one thousand, nine hundred eighty-eight".