75840545466 has 168 divisors, whose sum is σ = 195278279040. Its totient is φ = 21266367696.

The previous prime is 75840545447. The next prime is 75840545507. The reversal of 75840545466 is 66454504857.

75840545466 is a `hidden beast` number, since 7 + 5 + 8 + 40 + 54 + 546 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 124942935 + ... + 124943541.

Almost surely, 2^75840545466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75840545466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97639139520).

75840545466 is an abundant number, since it is smaller than the sum of its proper divisors (119437733574).

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

75840545466 is an frugal number, since it uses more digits than its factorization.

75840545466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 54.

The spelling of 75840545466 in words is "seventy-five billion, eight hundred forty million, five hundred forty-five thousand, four hundred sixty-six".