61672262613 has 16 divisors (see below), whose sum is σ = 88566446976. Its totient is φ = 37947274560.

The previous prime is 61672262611. The next prime is 61672262623. The reversal of 61672262613 is 31626227616.

It is not a de Polignac number, because 61672262613 - 2¹ = 61672262611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61672262611) 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, 217623 + ... + 413163.

It is an arithmetic number, because the mean of its divisors is an integer number (5535402936).

Almost surely, 2^61672262613 is an apocalyptic number.

It is an amenable number.

61672262613 is a deficient number, since it is larger than the sum of its proper divisors (26894184363).

61672262613 is a wasteful number, since it uses less digits than its factorization.

61672262613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203644.

The product of its digits is 217728, while the sum is 42.

The spelling of 61672262613 in words is "sixty-one billion, six hundred seventy-two million, two hundred sixty-two thousand, six hundred thirteen".