2160120399 has 8 divisors (see below), whose sum is σ = 2892522672. Its totient is φ = 1433899200.

The previous prime is 2160120373. The next prime is 2160120407. The reversal of 2160120399 is 9930210612.

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

It is not a de Polignac number, because 2160120399 - 2⁵ = 2160120367 is a prime.

It is a super-2 number, since 2×2160120399² = 9332240276351838402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160120299) 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, 1544452 + ... + 1545849.

It is an arithmetic number, because the mean of its divisors is an integer number (361565334).

Almost surely, 2^2160120399 is an apocalyptic number.

2160120399 is a deficient number, since it is larger than the sum of its proper divisors (732402273).

2160120399 is a wasteful number, since it uses less digits than its factorization.

2160120399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090537.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2160120399 is about 46477.0954234449. The cubic root of 2160120399 is about 1292.6848313305.

The spelling of 2160120399 in words is "two billion, one hundred sixty million, one hundred twenty thousand, three hundred ninety-nine".