1613015660642 has 16 divisors (see below), whose sum is σ = 2422662245952. Its totient is φ = 805462209360.

The previous prime is 1613015660629. The next prime is 1613015660671. The reversal of 1613015660642 is 2460665103161.

It is a self number, because there is not a number n which added to its sum of digits gives 1613015660642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5013803 + ... + 5325809.

It is an arithmetic number, because the mean of its divisors is an integer number (151416390372).

Almost surely, 2^{1613015660642} is an apocalyptic number.

1613015660642 is a deficient number, since it is larger than the sum of its proper divisors (809646585310).

1613015660642 is a wasteful number, since it uses less digits than its factorization.

1613015660642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315353.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 1613015660642 in words is "one trillion, six hundred thirteen billion, fifteen million, six hundred sixty thousand, six hundred forty-two".