2870161668 has 192 divisors, whose sum is σ = 8457523200. Its totient is φ = 833777280.

The previous prime is 2870161667. The next prime is 2870161681. The reversal of 2870161668 is 8661610782.

It is a happy number.

2870161668 is a `hidden beast` number, since 28 + 7 + 0 + 1 + 616 + 6 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2870161667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7820421 + ... + 7820787.

It is an arithmetic number, because the mean of its divisors is an integer number (44049600).

Almost surely, 2^2870161668 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 2870161668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4228761600).

2870161668 is an abundant number, since it is smaller than the sum of its proper divisors (5587361532).

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

2870161668 is a wasteful number, since it uses less digits than its factorization.

2870161668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2870161668 is about 53573.8897971764. The cubic root of 2870161668 is about 1421.1353856655.

The spelling of 2870161668 in words is "two billion, eight hundred seventy million, one hundred sixty-one thousand, six hundred sixty-eight".