615079786645632 has 512 divisors, whose sum is σ = 2095289632880640. Its totient is φ = 155248636723200.

The previous prime is 615079786645631. The next prime is 615079786645679. The reversal of 615079786645632 is 236546687970516.

It is not an unprimeable number, because it can be changed into a prime (615079786645631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147648448 + ... + 151757120.

It is an arithmetic number, because the mean of its divisors is an integer number (4092362564220).

It is a 1-persistent number, because it is pandigital, but 2⋅615079786645632 = 1230159573291264 is not.

Almost surely, 2^{615079786645632} 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 615079786645632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047644816440320).

615079786645632 is an abundant number, since it is smaller than the sum of its proper divisors (1480209846235008).

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

615079786645632 is a wasteful number, since it uses less digits than its factorization.

615079786645632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108852 (or 4108840 counting only the distinct ones).

The product of its (nonzero) digits is 2743372800, while the sum is 75.

The spelling of 615079786645632 in words is "six hundred fifteen trillion, seventy-nine billion, seven hundred eighty-six million, six hundred forty-five thousand, six hundred thirty-two".