61069822470 has 96 divisors (see below), whose sum is σ = 159752736000. Its totient is φ = 16185863232.

The previous prime is 61069822459. The next prime is 61069822529. The reversal of 61069822470 is 7422896016.

It is a happy number.

61069822470 is a `hidden beast` number, since 610 + 6 + 9 + 8 + 2 + 24 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30857941 + ... + 30859919.

It is an arithmetic number, because the mean of its divisors is an integer number (1664091000).

Almost surely, 2^61069822470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61069822470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79876368000).

61069822470 is an abundant number, since it is smaller than the sum of its proper divisors (98682913530).

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

61069822470 is a wasteful number, since it uses less digits than its factorization.

61069822470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914 (or 3911 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 61069822470 in words is "sixty-one billion, sixty-nine million, eight hundred twenty-two thousand, four hundred seventy".