162706561820 has 48 divisors (see below), whose sum is σ = 388952299008. Its totient is φ = 56593584960.

The previous prime is 162706561817. The next prime is 162706561847. The reversal of 162706561820 is 28165607261.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16072664 + ... + 16082783.

It is an arithmetic number, because the mean of its divisors is an integer number (8103172896).

Almost surely, 2^162706561820 is an apocalyptic number.

162706561820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162706561820 is an abundant number, since it is smaller than the sum of its proper divisors (226245737188).

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

162706561820 is a wasteful number, since it uses less digits than its factorization.

162706561820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32155490 (or 32155488 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 162706561820 in words is "one hundred sixty-two billion, seven hundred six million, five hundred sixty-one thousand, eight hundred twenty".