37766390066 has 8 divisors (see below), whose sum is σ = 56669905260. Its totient is φ = 18876421648.

The previous prime is 37766390059. The next prime is 37766390071. The reversal of 37766390066 is 66009366773.

It can be written as a sum of positive squares in 2 ways, for example, as 37647252841 + 119137225 = 194029^2 + 10915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3379721 + ... + 3390876.

Almost surely, 2^37766390066 is an apocalyptic number.

37766390066 is a deficient number, since it is larger than the sum of its proper divisors (18903515194).

37766390066 is a wasteful number, since it uses less digits than its factorization.

37766390066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773388.

The product of its (nonzero) digits is 5143824, while the sum is 53.

The spelling of 37766390066 in words is "thirty-seven billion, seven hundred sixty-six million, three hundred ninety thousand, sixty-six".