160077772820 has 48 divisors (see below), whose sum is σ = 392360855040. Its totient is φ = 53716065024.

The previous prime is 160077772807. The next prime is 160077772823. The reversal of 160077772820 is 28277770061.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160077772823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12157385 + ... + 12170544.

It is an arithmetic number, because the mean of its divisors is an integer number (8174184480).

Almost surely, 2^160077772820 is an apocalyptic number.

160077772820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160077772820 is an abundant number, since it is smaller than the sum of its proper divisors (232283082220).

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

160077772820 is a wasteful number, since it uses less digits than its factorization.

160077772820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24327992 (or 24327990 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 47.

The spelling of 160077772820 in words is "one hundred sixty billion, seventy-seven million, seven hundred seventy-two thousand, eight hundred twenty".