61066390032 has 60 divisors (see below), whose sum is σ = 179895879280. Its totient is φ = 19284122304.

The previous prime is 61066389977. The next prime is 61066390039. The reversal of 61066390032 is 23009366016.

61066390032 is a `hidden beast` number, since 6 + 10 + 6 + 639 + 0 + 0 + 3 + 2 = 666.

61066390032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61066390032² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (61066390039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11157058 + ... + 11162529.

Almost surely, 2^61066390032 is an apocalyptic number.

It is an amenable number.

61066390032 is an abundant number, since it is smaller than the sum of its proper divisors (118829489248).

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

61066390032 is a wasteful number, since it uses less digits than its factorization.

61066390032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22319620 (or 22319611 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 61066390032 in words is "sixty-one billion, sixty-six million, three hundred ninety thousand, thirty-two".