616106040 has 64 divisors (see below), whose sum is σ = 2016351360. Its totient is φ = 149358720.

The previous prime is 616106017. The next prime is 616106047. The reversal of 616106040 is 40601616.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 616106040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616106047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232054 + ... + 234693.

It is an arithmetic number, because the mean of its divisors is an integer number (31505490).

Almost surely, 2^616106040 is an apocalyptic number.

616106040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616106040 is an abundant number, since it is smaller than the sum of its proper divisors (1400245320).

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

616106040 is a wasteful number, since it uses less digits than its factorization.

616106040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466772 (or 466768 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 616106040 is about 24821.4834367328. The cubic root of 616106040 is about 850.9129936183.

Adding to 616106040 its reverse (40601616), we get a palindrome (656707656).

The spelling of 616106040 in words is "six hundred sixteen million, one hundred six thousand, forty".