61772043096 has 160 divisors (see below), whose sum is σ = 175884825600. Its totient is φ = 20251062720.

The previous prime is 61772043071. The next prime is 61772043101. The reversal of 61772043096 is 69034027716.

61772043096 is a `hidden beast` number, since 61 + 7 + 72 + 0 + 430 + 96 = 666.

61772043096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 22036431 + ... + 22039233.

It is an arithmetic number, because the mean of its divisors is an integer number (1099280160).

Almost surely, 2^61772043096 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 61772043096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87942412800).

61772043096 is an abundant number, since it is smaller than the sum of its proper divisors (114112782504).

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

61772043096 is a wasteful number, since it uses less digits than its factorization.

61772043096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371 (or 3358 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 61772043096 in words is "sixty-one billion, seven hundred seventy-two million, forty-three thousand, ninety-six".