5990164645 has 4 divisors (see below), whose sum is σ = 7188197580. Its totient is φ = 4792131712.

The previous prime is 5990164549. The next prime is 5990164667. The reversal of 5990164645 is 5464610995.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 636754756 + 5353409889 = 25234^2 + 73167^2 .

It is a cyclic number.

It is not a de Polignac number, because 5990164645 - 2⁹ = 5990164133 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599016460 + ... + 599016469.

It is an arithmetic number, because the mean of its divisors is an integer number (1797049395).

Almost surely, 2^5990164645 is an apocalyptic number.

It is an amenable number.

5990164645 is a deficient number, since it is larger than the sum of its proper divisors (1198032935).

5990164645 is a wasteful number, since it uses less digits than its factorization.

5990164645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198032934.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 5990164645 is about 77396.1539419111. The cubic root of 5990164645 is about 1816.1271594744.

The spelling of 5990164645 in words is "five billion, nine hundred ninety million, one hundred sixty-four thousand, six hundred forty-five".