16801540275 has 48 divisors (see below), whose sum is σ = 30294172160. Its totient is φ = 8166787200.

The previous prime is 16801540193. The next prime is 16801540279. The reversal of 16801540275 is 57204510861.

It is not a de Polignac number, because 16801540275 - 2¹⁴ = 16801523891 is a prime.

It is a super-2 number, since 2×16801540275² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (16801540279) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 32041 + ... + 186090.

Almost surely, 2^16801540275 is an apocalyptic number.

16801540275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16801540275 is a deficient number, since it is larger than the sum of its proper divisors (13492631885).

16801540275 is a wasteful number, since it uses less digits than its factorization.

16801540275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218236 (or 218231 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 16801540275 in words is "sixteen billion, eight hundred one million, five hundred forty thousand, two hundred seventy-five".