616150640 has 160 divisors (see below), whose sum is σ = 1701748224. Its totient is φ = 203074560.

The previous prime is 616150631. The next prime is 616150643. The reversal of 616150640 is 46051616.

616150640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×616150640² = 759283222344819200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616150643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2714207 + ... + 2714433.

Almost surely, 2^616150640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616150640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850874112).

616150640 is an abundant number, since it is smaller than the sum of its proper divisors (1085597584).

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

616150640 is a wasteful number, since it uses less digits than its factorization.

616150640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 616150640 is about 24822.3818357546. The cubic root of 616150640 is about 850.9335256920.

The spelling of 616150640 in words is "six hundred sixteen million, one hundred fifty thousand, six hundred forty".