66032637146 has 16 divisors (see below), whose sum is σ = 113202183744. Its totient is φ = 28298857344.

The previous prime is 66032637137. The next prime is 66032637149. The reversal of 66032637146 is 64173623066.

It is a junction number, because it is equal to n+sod(n) for n = 66032637097 and 66032637106.

It is not an unprimeable number, because it can be changed into a prime (66032637149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728201 + ... + 813843.

It is an arithmetic number, because the mean of its divisors is an integer number (7075136484).

Almost surely, 2^66032637146 is an apocalyptic number.

66032637146 is a deficient number, since it is larger than the sum of its proper divisors (47169546598).

66032637146 is a wasteful number, since it uses less digits than its factorization.

66032637146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140725.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 66032637146 in words is "sixty-six billion, thirty-two million, six hundred thirty-seven thousand, one hundred forty-six".