3147111677661 has 128 divisors (see below), whose sum is σ = 5632577740800. Its totient is φ = 1518571929600.

The previous prime is 3147111677659. The next prime is 3147111677683. The reversal of 3147111677661 is 1667761117413.

It is not a de Polignac number, because 3147111677661 - 2¹ = 3147111677659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147111677651) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15657045 + ... + 15856773.

It is an arithmetic number, because the mean of its divisors is an integer number (44004513600).

Almost surely, 2^{3147111677661} is an apocalyptic number.

It is an amenable number.

3147111677661 is a deficient number, since it is larger than the sum of its proper divisors (2485466063139).

3147111677661 is a wasteful number, since it uses less digits than its factorization.

3147111677661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199899.

The product of its digits is 889056, while the sum is 51.

The spelling of 3147111677661 in words is "three trillion, one hundred forty-seven billion, one hundred eleven million, six hundred seventy-seven thousand, six hundred sixty-one".