16158798280 has 32 divisors (see below), whose sum is σ = 36361664640. Its totient is φ = 6462742720.

The previous prime is 16158798263. The next prime is 16158798307. The reversal of 16158798280 is 8289785161.

It is a super-2 number, since 2×16158798280² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407745 + ... + 445615.

It is an arithmetic number, because the mean of its divisors is an integer number (1136302020).

Almost surely, 2^16158798280 is an apocalyptic number.

16158798280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16158798280 is an abundant number, since it is smaller than the sum of its proper divisors (20202866360).

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

16158798280 is a wasteful number, since it uses less digits than its factorization.

16158798280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48549 (or 48545 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 16158798280 in words is "sixteen billion, one hundred fifty-eight million, seven hundred ninety-eight thousand, two hundred eighty".