61266346692 has 96 divisors (see below), whose sum is σ = 150887003904. Its totient is φ = 19310016000.

The previous prime is 61266346649. The next prime is 61266346703. The reversal of 61266346692 is 29664366216.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22884858 + ... + 22887534.

It is an arithmetic number, because the mean of its divisors is an integer number (1571739624).

Almost surely, 2^61266346692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61266346692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75443501952).

61266346692 is an abundant number, since it is smaller than the sum of its proper divisors (89620657212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61266346692 is a wasteful number, since it uses less digits than its factorization.

61266346692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629 (or 3627 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 51.

The spelling of 61266346692 in words is "sixty-one billion, two hundred sixty-six million, three hundred forty-six thousand, six hundred ninety-two".