1868368670 has 16 divisors (see below), whose sum is σ = 3843501408. Its totient is φ = 640583520.

The previous prime is 1868368661. The next prime is 1868368679. The reversal of 1868368670 is 768638681.

It is an interprime number because it is at equal distance from previous prime (1868368661) and next prime (1868368679).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868368679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13345421 + ... + 13345560.

It is an arithmetic number, because the mean of its divisors is an integer number (240218838).

Almost surely, 2^1868368670 is an apocalyptic number.

1868368670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1868368670 is an abundant number, since it is smaller than the sum of its proper divisors (1975132738).

1868368670 is a wasteful number, since it uses less digits than its factorization.

1868368670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26690995.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 1868368670 is about 43224.6303627920. The cubic root of 1868368670 is about 1231.6506074602.

The spelling of 1868368670 in words is "one billion, eight hundred sixty-eight million, three hundred sixty-eight thousand, six hundred seventy".