162640783910 has 48 divisors (see below), whose sum is σ = 321946422336. Its totient is φ = 59112768000.

The previous prime is 162640783871. The next prime is 162640783919. The reversal of 162640783910 is 19387046261.

162640783910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162640783919) 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 23 ways as a sum of consecutive naturals, for example, 2485715 + ... + 2550305.

It is an arithmetic number, because the mean of its divisors is an integer number (6707217132).

Almost surely, 2^162640783910 is an apocalyptic number.

162640783910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162640783910 is a deficient number, since it is larger than the sum of its proper divisors (159305638426).

162640783910 is a wasteful number, since it uses less digits than its factorization.

162640783910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66701 (or 66690 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 162640783910 in words is "one hundred sixty-two billion, six hundred forty million, seven hundred eighty-three thousand, nine hundred ten".