18735861162 has 32 divisors (see below), whose sum is σ = 39811536000. Its totient is φ = 5866959168.

The previous prime is 18735861103. The next prime is 18735861163. The reversal of 18735861162 is 26116853781.

It is not an unprimeable number, because it can be changed into a prime (18735861163) 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 15 ways as a sum of consecutive naturals, for example, 1448662 + ... + 1461537.

It is an arithmetic number, because the mean of its divisors is an integer number (1244110500).

Almost surely, 2^18735861162 is an apocalyptic number.

18735861162 is an abundant number, since it is smaller than the sum of its proper divisors (21075674838).

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

18735861162 is a wasteful number, since it uses less digits than its factorization.

18735861162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910270.

The product of its digits is 483840, while the sum is 48.

The spelling of 18735861162 in words is "eighteen billion, seven hundred thirty-five million, eight hundred sixty-one thousand, one hundred sixty-two".