616158361 has 16 divisors (see below), whose sum is σ = 765318400. Its totient is φ = 483029568.

The previous prime is 616158349. The next prime is 616158371. The reversal of 616158361 is 163851616.

616158361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 616158361 - 2⁷ = 616158233 is a prime.

It is a super-2 number, since 2×616158361² = 759302251660412642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 616158361.

It is not an unprimeable number, because it can be changed into a prime (616158311) 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, 21141 + ... + 40978.

It is an arithmetic number, because the mean of its divisors is an integer number (47832400).

Almost surely, 2^616158361 is an apocalyptic number.

It is an amenable number.

616158361 is a deficient number, since it is larger than the sum of its proper divisors (149160039).

616158361 is a wasteful number, since it uses less digits than its factorization.

616158361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62248.

The product of its digits is 25920, while the sum is 37.

The square root of 616158361 is about 24822.5373602297. The cubic root of 616158361 is about 850.9370800340.

The spelling of 616158361 in words is "six hundred sixteen million, one hundred fifty-eight thousand, three hundred sixty-one".