162947783024128 has 40 divisors (see below), whose sum is σ = 325674181277280. Its totient is φ = 81449649684480.

The previous prime is 162947783024101. The next prime is 162947783024129. The reversal of 162947783024128 is 821420387749261.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a self number, because there is not a number n which added to its sum of digits gives 162947783024128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162947783024129) 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, 45624808 + ... + 49066471.

It is an arithmetic number, because the mean of its divisors is an integer number (8141854531932).

Almost surely, 2^{162947783024128} is an apocalyptic number.

It is an amenable number.

162947783024128 is a deficient number, since it is larger than the sum of its proper divisors (162726398253152).

162947783024128 is an frugal number, since it uses more digits than its factorization.

162947783024128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94694658 (or 94694642 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 162947783024128 in words is "one hundred sixty-two trillion, nine hundred forty-seven billion, seven hundred eighty-three million, twenty-four thousand, one hundred twenty-eight".