66737230105 has 64 divisors (see below), whose sum is σ = 103861900800. Its totient is φ = 39977349120.

The previous prime is 66737230099. The next prime is 66737230121. The reversal of 66737230105 is 50103273766.

66737230105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66737230105 - 2⁹ = 66737229593 is a prime.

It is a super-2 number, since 2×66737230105² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9583825 + ... + 9590785.

It is an arithmetic number, because the mean of its divisors is an integer number (1622842200).

Almost surely, 2^66737230105 is an apocalyptic number.

66737230105 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

66737230105 is a deficient number, since it is larger than the sum of its proper divisors (37124670695).

66737230105 is a wasteful number, since it uses less digits than its factorization.

66737230105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8114.

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 66737230105 in words is "sixty-six billion, seven hundred thirty-seven million, two hundred thirty thousand, one hundred five".