66046583442 has 48 divisors (see below), whose sum is σ = 153719259840. Its totient is φ = 18863101152.

The previous prime is 66046583441. The next prime is 66046583443. The reversal of 66046583442 is 24438564066.

66046583442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66046583441) and next prime (66046583443).

It is a super-2 number, since 2×66046583442² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66046583391 and 66046583400.

It is not an unprimeable number, because it can be changed into a prime (66046583441) 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, 735784 + ... + 820652.

It is an arithmetic number, because the mean of its divisors is an integer number (3202484580).

Almost surely, 2^66046583442 is an apocalyptic number.

66046583442 is an abundant number, since it is smaller than the sum of its proper divisors (87672676398).

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

66046583442 is a wasteful number, since it uses less digits than its factorization.

66046583442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87535 (or 87528 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 66046583442 in words is "sixty-six billion, forty-six million, five hundred eighty-three thousand, four hundred forty-two".