15922350990 has 384 divisors, whose sum is σ = 53575022592. Its totient is φ = 3188782080.

The previous prime is 15922350989. The next prime is 15922351009. The reversal of 15922350990 is 9905322951.

15922350990 is a `hidden beast` number, since 1 + 59 + 2 + 2 + 3 + 509 + 90 = 666.

It is a super-2 number, since 2×15922350990² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 34094737 + ... + 34095203.

It is an arithmetic number, because the mean of its divisors is an integer number (139518288).

Almost surely, 2^15922350990 is an apocalyptic number.

15922350990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15922350990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26787511296).

15922350990 is an abundant number, since it is smaller than the sum of its proper divisors (37652671602).

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

15922350990 is a wasteful number, since it uses less digits than its factorization.

15922350990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The spelling of 15922350990 in words is "fifteen billion, nine hundred twenty-two million, three hundred fifty thousand, nine hundred ninety".