616403190 has 32 divisors (see below), whose sum is σ = 1593166176. Its totient is φ = 151729920.

The previous prime is 616403173. The next prime is 616403213. The reversal of 616403190 is 91304616.

It is a super-2 number, since 2×616403190² = 759905785284352200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789871 + ... + 790650.

It is an arithmetic number, because the mean of its divisors is an integer number (49786443).

Almost surely, 2^616403190 is an apocalyptic number.

616403190 is an abundant number, since it is smaller than the sum of its proper divisors (976762986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616403190 is a wasteful number, since it uses less digits than its factorization.

616403190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580544.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 616403190 is about 24827.4684573357. The cubic root of 616403190 is about 851.0497710238.

The spelling of 616403190 in words is "six hundred sixteen million, four hundred three thousand, one hundred ninety".