16072993 has 8 divisors (see below), whose sum is σ = 17054720. Its totient is φ = 15104880.

The previous prime is 16072961. The next prime is 16072999. The reversal of 16072993 is 39927061.

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

It is a cyclic number.

It is not a de Polignac number, because 16072993 - 2⁵ = 16072961 is a prime.

It is a super-2 number, since 2×16072993² = 516682207956098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16072999) 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, 918 + ... + 5743.

It is an arithmetic number, because the mean of its divisors is an integer number (2131840).

Almost surely, 2^16072993 is an apocalyptic number.

It is an amenable number.

16072993 is a deficient number, since it is larger than the sum of its proper divisors (981727).

16072993 is a wasteful number, since it uses less digits than its factorization.

16072993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 16072993 is about 4009.1137424623. The cubic root of 16072993 is about 252.3668179786.

It can be divided in two parts, 160 and 72993, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 16072993 in words is "sixteen million, seventy-two thousand, nine hundred ninety-three".