16433247117261 has 32 divisors (see below), whose sum is σ = 25008302793600. Its totient is φ = 9508825073664.

The previous prime is 16433247117233. The next prime is 16433247117281. The reversal of 16433247117261 is 16271174233461.

It is not a de Polignac number, because 16433247117261 - 2³⁵ = 16398887378893 is a prime.

It is a super-2 number, since 2×16433247117261² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16433247117261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16433247117281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11118715 + ... + 12509688.

It is an arithmetic number, because the mean of its divisors is an integer number (781509462300).

Almost surely, 2^{16433247117261} is an apocalyptic number.

It is an amenable number.

16433247117261 is a deficient number, since it is larger than the sum of its proper divisors (8575055676339).

16433247117261 is a wasteful number, since it uses less digits than its factorization.

16433247117261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23629485.

The product of its digits is 1016064, while the sum is 48.

The spelling of 16433247117261 in words is "sixteen trillion, four hundred thirty-three billion, two hundred forty-seven million, one hundred seventeen thousand, two hundred sixty-one".