162787716378 has 48 divisors (see below), whose sum is σ = 412467671616. Its totient is φ = 45429128640.

The previous prime is 162787716361. The next prime is 162787716379. The reversal of 162787716378 is 873617787261.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (162787716379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15017443 + ... + 15028278.

It is an arithmetic number, because the mean of its divisors is an integer number (8593076492).

Almost surely, 2^162787716378 is an apocalyptic number.

162787716378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

162787716378 is an abundant number, since it is smaller than the sum of its proper divisors (249679955238).

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

162787716378 is a wasteful number, since it uses less digits than its factorization.

162787716378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30045779 (or 30045776 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 63.

The spelling of 162787716378 in words is "one hundred sixty-two billion, seven hundred eighty-seven million, seven hundred sixteen thousand, three hundred seventy-eight".