2160858678 has 32 divisors (see below), whose sum is σ = 4991932800. Its totient is φ = 616287360.

The previous prime is 2160858677. The next prime is 2160858683. The reversal of 2160858678 is 8768580612.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 2160858678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160858677) 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, 961828 + ... + 964071.

It is an arithmetic number, because the mean of its divisors is an integer number (155997900).

Almost surely, 2^2160858678 is an apocalyptic number.

2160858678 is an abundant number, since it is smaller than the sum of its proper divisors (2831074122).

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

2160858678 is a wasteful number, since it uses less digits than its factorization.

2160858678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925932.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 2160858678 is about 46485.0371409984. The cubic root of 2160858678 is about 1292.8320844434.

The spelling of 2160858678 in words is "two billion, one hundred sixty million, eight hundred fifty-eight thousand, six hundred seventy-eight".