16011161580 has 192 divisors, whose sum is σ = 49221043200. Its totient is φ = 3875773440.

The previous prime is 16011161533. The next prime is 16011161627. The reversal of 16011161580 is 8516111061.

It is an interprime number because it is at equal distance from previous prime (16011161533) and next prime (16011161627).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2357790 + ... + 2364570.

It is an arithmetic number, because the mean of its divisors is an integer number (256359600).

Almost surely, 2^16011161580 is an apocalyptic number.

16011161580 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 16011161580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24610521600).

16011161580 is an abundant number, since it is smaller than the sum of its proper divisors (33209881620).

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

16011161580 is a wasteful number, since it uses less digits than its factorization.

16011161580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904 (or 6902 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 30.

The spelling of 16011161580 in words is "sixteen billion, eleven million, one hundred sixty-one thousand, five hundred eighty".