61702670261 has 8 divisors (see below), whose sum is σ = 62499926400. Its totient is φ = 60905819520.

The previous prime is 61702670213. The next prime is 61702670279. The reversal of 61702670261 is 16207620716.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61702670261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61702670461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211205 + ... + 409893.

It is an arithmetic number, because the mean of its divisors is an integer number (7812490800).

Almost surely, 2^61702670261 is an apocalyptic number.

It is an amenable number.

61702670261 is a deficient number, since it is larger than the sum of its proper divisors (797256139).

61702670261 is a wasteful number, since it uses less digits than its factorization.

61702670261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202699.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 61702670261 in words is "sixty-one billion, seven hundred two million, six hundred seventy thousand, two hundred sixty-one".