66737336707374 has 96 divisors (see below), whose sum is σ = 141759694048896. Its totient is φ = 20931850396800.

The previous prime is 66737336707319. The next prime is 66737336707397. The reversal of 66737336707374 is 47370763373766.

It is a super-2 number, since 2×66737336707374² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66737336707299 and 66737336707308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34738009 + ... + 36608795.

It is an arithmetic number, because the mean of its divisors is an integer number (1476663479676).

Almost surely, 2^{66737336707374} is an apocalyptic number.

66737336707374 is an abundant number, since it is smaller than the sum of its proper divisors (75022357341522).

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

66737336707374 is a wasteful number, since it uses less digits than its factorization.

66737336707374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871010 (or 1870973 counting only the distinct ones).

The product of its (nonzero) digits is 1176221088, while the sum is 69.

The spelling of 66737336707374 in words is "sixty-six trillion, seven hundred thirty-seven billion, three hundred thirty-six million, seven hundred seven thousand, three hundred seventy-four".