16701988 has 12 divisors (see below), whose sum is σ = 30766960. Its totient is φ = 7911432.

The previous prime is 16701907. The next prime is 16701989. The reversal of 16701988 is 88910761.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16701988.

It is not an unprimeable number, because it can be changed into a prime (16701989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109806 + ... + 109957.

Almost surely, 2^16701988 is an apocalyptic number.

It is an amenable number.

16701988 is a deficient number, since it is larger than the sum of its proper divisors (14064972).

16701988 is a wasteful number, since it uses less digits than its factorization.

16701988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219786 (or 219784 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 16701988 is about 4086.8065772679. The cubic root of 16701988 is about 255.6167972810.

It can be divided in two parts, 16701 and 988, that added together give a square (17689 = 133²).

The spelling of 16701988 in words is "sixteen million, seven hundred one thousand, nine hundred eighty-eight".