80616406601 has 8 divisors (see below), whose sum is σ = 81793984584. Its totient is φ = 79440808320.

The previous prime is 80616406589. The next prime is 80616406603. The reversal of 80616406601 is 10660461608.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19038480400 + 61577926201 = 137980^2 + 248149^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80616406601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80616406603) 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, 412790 + ... + 575871.

It is an arithmetic number, because the mean of its divisors is an integer number (10224248073).

Almost surely, 2^80616406601 is an apocalyptic number.

It is an amenable number.

80616406601 is a deficient number, since it is larger than the sum of its proper divisors (1177577983).

80616406601 is a wasteful number, since it uses less digits than its factorization.

80616406601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989851.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 80616406601 in words is "eighty billion, six hundred sixteen million, four hundred six thousand, six hundred one".