2451616471617 has 16 divisors (see below), whose sum is σ = 3274579949760. Its totient is φ = 1631532311552.

The previous prime is 2451616471583. The next prime is 2451616471631. The reversal of 2451616471617 is 7161746161542.

It is a cyclic number.

It is not a de Polignac number, because 2451616471617 - 2¹⁸ = 2451616209473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2451616471617.

It is not an unprimeable number, because it can be changed into a prime (2451616471637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44294953 + ... + 44350265.

It is an arithmetic number, because the mean of its divisors is an integer number (204661246860).

Almost surely, 2^{2451616471617} is an apocalyptic number.

It is an amenable number.

2451616471617 is a deficient number, since it is larger than the sum of its proper divisors (822963478143).

2451616471617 is a wasteful number, since it uses less digits than its factorization.

2451616471617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81072.

The product of its digits is 1693440, while the sum is 51.

The spelling of 2451616471617 in words is "two trillion, four hundred fifty-one billion, six hundred sixteen million, four hundred seventy-one thousand, six hundred seventeen".