16875947491 has 8 divisors (see below), whose sum is σ = 18233300624. Its totient is φ = 15527052000.

The previous prime is 16875947479. The next prime is 16875947503. The reversal of 16875947491 is 19474957861.

It is an interprime number because it is at equal distance from previous prime (16875947479) and next prime (16875947503).

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

It is a cyclic number.

It is not a de Polignac number, because 16875947491 - 2¹³ = 16875939299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16875947411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2110260 + ... + 2118241.

It is an arithmetic number, because the mean of its divisors is an integer number (2279162578).

Almost surely, 2^16875947491 is an apocalyptic number.

16875947491 is a deficient number, since it is larger than the sum of its proper divisors (1357353133).

16875947491 is a wasteful number, since it uses less digits than its factorization.

16875947491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228821.

The product of its digits is 15240960, while the sum is 61.

The spelling of 16875947491 in words is "sixteen billion, eight hundred seventy-five million, nine hundred forty-seven thousand, four hundred ninety-one".