655214736 has 80 divisors (see below), whose sum is σ = 1889521920. Its totient is φ = 193925760.

The previous prime is 655214701. The next prime is 655214741. The reversal of 655214736 is 637412556.

It is a junction number, because it is equal to n+sod(n) for n = 655214694 and 655214703.

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, 8275 + ... + 37133.

It is an arithmetic number, because the mean of its divisors is an integer number (23619024).

Almost surely, 2^655214736 is an apocalyptic number.

655214736 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655214736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944760960).

655214736 is an abundant number, since it is smaller than the sum of its proper divisors (1234307184).

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

655214736 is a wasteful number, since it uses less digits than its factorization.

655214736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28924 (or 28918 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 655214736 is about 25597.1626552632. The cubic root of 655214736 is about 868.5494549703.

The spelling of 655214736 in words is "six hundred fifty-five million, two hundred fourteen thousand, seven hundred thirty-six".