66850307157062 has 32 divisors (see below), whose sum is σ = 117810961742880. Its totient is φ = 28047930865920.

The previous prime is 66850307157061. The next prime is 66850307157079. The reversal of 66850307157062 is 26075170305866.

It is a junction number, because it is equal to n+sod(n) for n = 66850307156989 and 66850307157007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66850307157061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2223764 + ... + 11774792.

It is an arithmetic number, because the mean of its divisors is an integer number (3681592554465).

Almost surely, 2^{66850307157062} is an apocalyptic number.

66850307157062 is a deficient number, since it is larger than the sum of its proper divisors (50960654585818).

66850307157062 is a wasteful number, since it uses less digits than its factorization.

66850307157062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9575528.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 66850307157062 in words is "sixty-six trillion, eight hundred fifty billion, three hundred seven million, one hundred fifty-seven thousand, sixty-two".