16072820491 has 8 divisors (see below), whose sum is σ = 19781933024. Its totient is φ = 12716956800.

The previous prime is 16072820471. The next prime is 16072820507. The reversal of 16072820491 is 19402827061.

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 16072820491 - 2²⁵ = 16039266059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16072820471) 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, 88312110 + ... + 88312291.

It is an arithmetic number, because the mean of its divisors is an integer number (2472741628).

Almost surely, 2^16072820491 is an apocalyptic number.

16072820491 is a deficient number, since it is larger than the sum of its proper divisors (3709112533).

16072820491 is a wasteful number, since it uses less digits than its factorization.

16072820491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176624421.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 16072820491 in words is "sixteen billion, seventy-two million, eight hundred twenty thousand, four hundred ninety-one".