16602072801 has 16 divisors (see below), whose sum is σ = 22904040000. Its totient is φ = 10684231488.

The previous prime is 16602072797. The next prime is 16602072803. The reversal of 16602072801 is 10827020661.

It is not a de Polignac number, because 16602072801 - 2² = 16602072797 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16602072803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490575 + ... + 523323.

It is an arithmetic number, because the mean of its divisors is an integer number (1431502500).

Almost surely, 2^16602072801 is an apocalyptic number.

It is an amenable number.

16602072801 is a deficient number, since it is larger than the sum of its proper divisors (6301967199).

16602072801 is a wasteful number, since it uses less digits than its factorization.

16602072801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38608.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 16602072801 in words is "sixteen billion, six hundred two million, seventy-two thousand, eight hundred one".