61092208779264 has 560 divisors, whose sum is σ = 197968507450560. Its totient is φ = 18662001868800.

The previous prime is 61092208779179. The next prime is 61092208779281. The reversal of 61092208779264 is 46297780229016.

61092208779264 is a `hidden beast` number, since 6 + 1 + 0 + 9 + 220 + 87 + 79 + 264 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1199012989 + ... + 1199063939.

It is an arithmetic number, because the mean of its divisors is an integer number (353515191876).

Almost surely, 2^{61092208779264} is an apocalyptic number.

61092208779264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61092208779264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98984253725280).

61092208779264 is an abundant number, since it is smaller than the sum of its proper divisors (136876298671296).

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

61092208779264 is a wasteful number, since it uses less digits than its factorization.

61092208779264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51141 (or 51108 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 61092208779264 in words is "sixty-one trillion, ninety-two billion, two hundred eight million, seven hundred seventy-nine thousand, two hundred sixty-four".