61922790936 has 96 divisors (see below), whose sum is σ = 170300370240. Its totient is φ = 20323989504.

The previous prime is 61922790931. The next prime is 61922790953. The reversal of 61922790936 is 63909722916.

61922790936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61922790931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1353345 + ... + 1398351.

It is an arithmetic number, because the mean of its divisors is an integer number (1773962190).

Almost surely, 2^61922790936 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 61922790936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85150185120).

61922790936 is an abundant number, since it is smaller than the sum of its proper divisors (108377579304).

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

61922790936 is a wasteful number, since it uses less digits than its factorization.

61922790936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45313 (or 45306 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The spelling of 61922790936 in words is "sixty-one billion, nine hundred twenty-two million, seven hundred ninety thousand, nine hundred thirty-six".