416998172981 has 16 divisors (see below), whose sum is σ = 496164662784. Its totient is φ = 346527692544.

The previous prime is 416998172957. The next prime is 416998172999. The reversal of 416998172981 is 189271899614.

It is a cyclic number.

It is not a de Polignac number, because 416998172981 - 2²⁶ = 416931064117 is a prime.

It is a super-2 number, since 2×416998172981² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416998162981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41013821 + ... + 41023986.

It is an arithmetic number, because the mean of its divisors is an integer number (31010291424).

Almost surely, 2^416998172981 is an apocalyptic number.

It is an amenable number.

416998172981 is a deficient number, since it is larger than the sum of its proper divisors (79166489803).

416998172981 is a wasteful number, since it uses less digits than its factorization.

416998172981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82037860.

The product of its digits is 15676416, while the sum is 65.

The spelling of 416998172981 in words is "four hundred sixteen billion, nine hundred ninety-eight million, one hundred seventy-two thousand, nine hundred eighty-one".