15999301350 has 144 divisors (see below), whose sum is σ = 44248761648. Its totient is φ = 4141566720.

The previous prime is 15999301343. The next prime is 15999301391. The reversal of 15999301350 is 5310399951.

It is a happy number.

15999301350 is a `hidden beast` number, since 1 + 599 + 9 + 3 + 0 + 1 + 3 + 50 = 666.

It is a super-2 number, since 2×15999301350² (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 junction number, because it is equal to n+sod(n) for n = 15999301296 and 15999301305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9772732 + ... + 9774368.

It is an arithmetic number, because the mean of its divisors is an integer number (307283067).

Almost surely, 2^15999301350 is an apocalyptic number.

15999301350 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 15999301350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22124380824).

15999301350 is an abundant number, since it is smaller than the sum of its proper divisors (28249460298).

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

15999301350 is a wasteful number, since it uses less digits than its factorization.

15999301350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2271 counting only the distinct ones).

The product of its (nonzero) digits is 164025, while the sum is 45.

The spelling of 15999301350 in words is "fifteen billion, nine hundred ninety-nine million, three hundred one thousand, three hundred fifty".