36666424542 has 96 divisors (see below), whose sum is σ = 84988915200. Its totient is φ = 10508762880.

The previous prime is 36666424541. The next prime is 36666424549. The reversal of 36666424542 is 24542466663.

It is a junction number, because it is equal to n+sod(n) for n = 36666424491 and 36666424500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36666424541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9916038 + ... + 9919734.

It is an arithmetic number, because the mean of its divisors is an integer number (885301200).

Almost surely, 2^36666424542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36666424542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42494457600).

36666424542 is an abundant number, since it is smaller than the sum of its proper divisors (48322490658).

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

36666424542 is a wasteful number, since it uses less digits than its factorization.

36666424542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462 (or 4451 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 48.

The spelling of 36666424542 in words is "thirty-six billion, six hundred sixty-six million, four hundred twenty-four thousand, five hundred forty-two".