615941224816 has 40 divisors (see below), whose sum is σ = 1199633847984. Its totient is φ = 306362434560.

The previous prime is 615941224799. The next prime is 615941224817. The reversal of 615941224816 is 618422149516.

It is a self number, because there is not a number n which added to its sum of digits gives 615941224816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (615941224817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259726 + ... + 2517586.

Almost surely, 2^615941224816 is an apocalyptic number.

It is an amenable number.

615941224816 is a deficient number, since it is larger than the sum of its proper divisors (583692623168).

615941224816 is a wasteful number, since it uses less digits than its factorization.

615941224816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258649 (or 258643 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The spelling of 615941224816 in words is "six hundred fifteen billion, nine hundred forty-one million, two hundred twenty-four thousand, eight hundred sixteen".