862153164 has 72 divisors (see below), whose sum is σ = 2319565248. Its totient is φ = 269068800.

The previous prime is 862153133. The next prime is 862153189. The reversal of 862153164 is 461351268.

It is a happy number.

862153164 is a `hidden beast` number, since 8 + 62 + 1 + 531 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116989 + ... + 124139.

It is an arithmetic number, because the mean of its divisors is an integer number (32216184).

Almost surely, 2^862153164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 862153164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1159782624).

862153164 is an abundant number, since it is smaller than the sum of its proper divisors (1457412084).

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

862153164 is a wasteful number, since it uses less digits than its factorization.

862153164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7375 (or 7370 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 862153164 is about 29362.4447892201. Note that the first 3 decimals coincide. The cubic root of 862153164 is about 951.7615198965.

The spelling of 862153164 in words is "eight hundred sixty-two million, one hundred fifty-three thousand, one hundred sixty-four".