162020374857 has 24 divisors (see below), whose sum is σ = 255443348160. Its totient is φ = 98140891680.

The previous prime is 162020374849. The next prime is 162020374883. The reversal of 162020374857 is 758473020261.

162020374857 is a `hidden beast` number, since 162 + 0 + 2 + 0 + 3 + 7 + 485 + 7 = 666.

162020374857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 162020374857 - 2³ = 162020374849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162020374057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260182 + ... + 625887.

It is an arithmetic number, because the mean of its divisors is an integer number (10643472840).

Almost surely, 2^162020374857 is an apocalyptic number.

It is an amenable number.

162020374857 is a deficient number, since it is larger than the sum of its proper divisors (93422973303).

162020374857 is a wasteful number, since it uses less digits than its factorization.

162020374857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887933 (or 887930 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 162020374857 in words is "one hundred sixty-two billion, twenty million, three hundred seventy-four thousand, eight hundred fifty-seven".