1968886902 has 16 divisors (see below), whose sum is σ = 3944421360. Its totient is φ = 655187712.

The previous prime is 1968886861. The next prime is 1968886903. The reversal of 1968886902 is 2096888691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968886903) 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, 273127 + ... + 280242.

It is an arithmetic number, because the mean of its divisors is an integer number (246526335).

Almost surely, 2^1968886902 is an apocalyptic number.

1968886902 is an abundant number, since it is smaller than the sum of its proper divisors (1975534458).

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

1968886902 is a wasteful number, since it uses less digits than its factorization.

1968886902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553967.

The product of its (nonzero) digits is 2985984, while the sum is 57.

The square root of 1968886902 is about 44372.1410571994. The cubic root of 1968886902 is about 1253.3535340948.

The spelling of 1968886902 in words is "one billion, nine hundred sixty-eight million, eight hundred eighty-six thousand, nine hundred two".