6170611561651 has 4 divisors (see below), whose sum is σ = 6314114156152. Its totient is φ = 6027108967152.

The previous prime is 6170611561627. The next prime is 6170611561657. The reversal of 6170611561651 is 1561651160716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6170611561651 - 2¹⁹ = 6170611037363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6170611561657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71751297186 + ... + 71751297271.

It is an arithmetic number, because the mean of its divisors is an integer number (1578528539038).

Almost surely, 2^{6170611561651} is an apocalyptic number.

6170611561651 is a deficient number, since it is larger than the sum of its proper divisors (143502594501).

6170611561651 is a wasteful number, since it uses less digits than its factorization.

6170611561651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143502594500.

The product of its (nonzero) digits is 226800, while the sum is 46.

It can be divided in two parts, 617061 and 1561651, that added together give a palindrome (2178712).

The spelling of 6170611561651 in words is "six trillion, one hundred seventy billion, six hundred eleven million, five hundred sixty-one thousand, six hundred fifty-one".