16132989 has 8 divisors (see below), whose sum is σ = 22204672. Its totient is φ = 10408320.

The previous prime is 16132973. The next prime is 16133003. The reversal of 16132989 is 98923161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16132989 - 2⁴ = 16132973 is a prime.

It is a super-3 number, since 3×16132989³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16132969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86644 + ... + 86829.

It is an arithmetic number, because the mean of its divisors is an integer number (2775584).

Almost surely, 2^16132989 is an apocalyptic number.

It is an amenable number.

16132989 is a deficient number, since it is larger than the sum of its proper divisors (6071683).

16132989 is a wasteful number, since it uses less digits than its factorization.

16132989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173507.

The product of its digits is 23328, while the sum is 39.

The square root of 16132989 is about 4016.5892247030. The cubic root of 16132989 is about 252.6804330707.

The spelling of 16132989 in words is "sixteen million, one hundred thirty-two thousand, nine hundred eighty-nine".