162073278464 has 48 divisors (see below), whose sum is σ = 324141068160. Its totient is φ = 81018224640.

The previous prime is 162073278457. The next prime is 162073278467. The reversal of 162073278464 is 464872370261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162073278467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15725537 + ... + 15735839.

It is an arithmetic number, because the mean of its divisors is an integer number (6752938920).

Almost surely, 2^162073278464 is an apocalyptic number.

It is an amenable number.

162073278464 is a deficient number, since it is larger than the sum of its proper divisors (162067789696).

162073278464 is an equidigital number, since it uses as much as digits as its factorization.

162073278464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18006 (or 17986 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 162073278464 in words is "one hundred sixty-two billion, seventy-three million, two hundred seventy-eight thousand, four hundred sixty-four".