1902688220160 has 4224 divisors, whose sum is σ = 9484266516480. Its totient is φ = 356725555200.

The previous prime is 1902688220123. The next prime is 1902688220161. The reversal of 1902688220160 is 610228862091.

1902688220160 is a `hidden beast` number, since 1 + 9 + 0 + 268 + 8 + 220 + 160 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1902688220161) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 46407029740 + ... + 46407029780.

Almost surely, 2^{1902688220160} is an apocalyptic number.

1902688220160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1902688220160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4742133258240).

1902688220160 is an abundant number, since it is smaller than the sum of its proper divisors (7581578296320).

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

1902688220160 is a wasteful number, since it uses less digits than its factorization.

1902688220160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 1902688220160 in words is "one trillion, nine hundred two billion, six hundred eighty-eight million, two hundred twenty thousand, one hundred sixty".