5997669157 has 8 divisors (see below), whose sum is σ = 6117816600. Its totient is φ = 5877780480.

The previous prime is 5997669121. The next prime is 5997669199. The reversal of 5997669157 is 7519667995.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 655667236 + 5342001921 = 25606^2 + 73089^2 .

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 5997669157 - 2¹⁵ = 5997636389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5997660157) 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, 17532 + ... + 110917.

It is an arithmetic number, because the mean of its divisors is an integer number (764727075).

Almost surely, 2^5997669157 is an apocalyptic number.

It is an amenable number.

5997669157 is a deficient number, since it is larger than the sum of its proper divisors (120147443).

5997669157 is a wasteful number, since it uses less digits than its factorization.

5997669157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129383.

The product of its digits is 32148900, while the sum is 64.

The square root of 5997669157 is about 77444.6199357967. The cubic root of 5997669157 is about 1816.8852610887.

The spelling of 5997669157 in words is "five billion, nine hundred ninety-seven million, six hundred sixty-nine thousand, one hundred fifty-seven".