2616726898491 has 8 divisors (see below), whose sum is σ = 3640663511040. Its totient is φ = 1668637442472.

The previous prime is 2616726898481. The next prime is 2616726898547. The reversal of 2616726898491 is 1948986276162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2616726898491 - 2⁹ = 2616726897979 is a prime.

It is a super-2 number, since 2×2616726898491² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69), and also a Moran number because the ratio is a prime number: 37923578239 = 2616726898491 / (2 + 6 + 1 + 6 + 7 + 2 + 6 + 8 + 9 + 8 + 4 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (2616726898481) 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 7 ways as a sum of consecutive naturals, for example, 18961789051 + ... + 18961789188.

It is an arithmetic number, because the mean of its divisors is an integer number (455082938880).

Almost surely, 2^{2616726898491} is an apocalyptic number.

2616726898491 is a deficient number, since it is larger than the sum of its proper divisors (1023936612549).

2616726898491 is a wasteful number, since it uses less digits than its factorization.

2616726898491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37923578265.

The product of its digits is 125411328, while the sum is 69.

The spelling of 2616726898491 in words is "two trillion, six hundred sixteen billion, seven hundred twenty-six million, eight hundred ninety-eight thousand, four hundred ninety-one".