618737013146 has 32 divisors (see below), whose sum is σ = 1097553421440. Its totient is φ = 255962419776.

The previous prime is 618737013073. The next prime is 618737013163. The reversal of 618737013146 is 641310737816.

It is a self number, because there is not a number n which added to its sum of digits gives 618737013146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377521 + ... + 1770603.

It is an arithmetic number, because the mean of its divisors is an integer number (34298544420).

Almost surely, 2^618737013146 is an apocalyptic number.

618737013146 is a deficient number, since it is larger than the sum of its proper divisors (478816408294).

618737013146 is a wasteful number, since it uses less digits than its factorization.

618737013146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396998.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 618737013146 in words is "six hundred eighteen billion, seven hundred thirty-seven million, thirteen thousand, one hundred forty-six".