162738402378 has 8 divisors (see below), whose sum is σ = 325476804768. Its totient is φ = 54246134124.

The previous prime is 162738402371. The next prime is 162738402391. The reversal of 162738402378 is 873204837261.

It is a sphenic number, since it is the product of 3 distinct primes.

162738402378 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 162738402378.

It is not an unprimeable number, because it can be changed into a prime (162738402371) 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, 13561533526 + ... + 13561533537.

It is an arithmetic number, because the mean of its divisors is an integer number (40684600596).

Almost surely, 2^162738402378 is an apocalyptic number.

162738402378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

162738402378 is a wasteful number, since it uses less digits than its factorization.

162738402378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27123067068.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 162738402378 in words is "one hundred sixty-two billion, seven hundred thirty-eight million, four hundred two thousand, three hundred seventy-eight".