16545126215340 has 96 divisors (see below), whose sum is σ = 51484455529920. Its totient is φ = 4411113984000.

The previous prime is 16545126215329. The next prime is 16545126215383. The reversal of 16545126215340 is 4351262154561.

16545126215340 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 5 + 12 + 621 + 5 + 3 + 4 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598371 + ... + 5783450.

It is an arithmetic number, because the mean of its divisors is an integer number (536296411770).

Almost surely, 2^{16545126215340} is an apocalyptic number.

16545126215340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16545126215340 is an abundant number, since it is smaller than the sum of its proper divisors (34939329314580).

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

16545126215340 is a wasteful number, since it uses less digits than its factorization.

16545126215340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386640 (or 6386632 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 16545126215340 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-six million, two hundred fifteen thousand, three hundred forty".