1618732859046 has 16 divisors (see below), whose sum is σ = 3237525126000. Its totient is φ = 539567718368.

The previous prime is 1618732859041. The next prime is 1618732859069. The reversal of 1618732859046 is 6409582378161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618732859041) 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, 2117121 + ... + 2778428.

It is an arithmetic number, because the mean of its divisors is an integer number (202345320375).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1618732859046 = 3237465718092, but 3⋅1618732859046 = 4856198577138 is not.

Almost surely, 2^{1618732859046} is an apocalyptic number.

1618732859046 is an abundant number, since it is smaller than the sum of its proper divisors (1618792266954).

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

1618732859046 is a wasteful number, since it uses less digits than its factorization.

1618732859046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950663.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 1618732859046 in words is "one trillion, six hundred eighteen billion, seven hundred thirty-two million, eight hundred fifty-nine thousand, forty-six".