61275346671 has 48 divisors (see below), whose sum is σ = 105226888320. Its totient is φ = 31356198720.

The previous prime is 61275346663. The next prime is 61275346723. The reversal of 61275346671 is 17664357216.

It is a happy number.

It is not a de Polignac number, because 61275346671 - 2³ = 61275346663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61275346671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61275346571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174456 + ... + 391133.

It is an arithmetic number, because the mean of its divisors is an integer number (2192226840).

Almost surely, 2^61275346671 is an apocalyptic number.

61275346671 is a deficient number, since it is larger than the sum of its proper divisors (43951541649).

61275346671 is a wasteful number, since it uses less digits than its factorization.

61275346671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565684 (or 565677 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The spelling of 61275346671 in words is "sixty-one billion, two hundred seventy-five million, three hundred forty-six thousand, six hundred seventy-one".