3837795872066 has 12 divisors (see below), whose sum is σ = 6233579686242. Its totient is φ = 1771290402336.

The previous prime is 3837795872051. The next prime is 3837795872081. The reversal of 3837795872066 is 6602785977383.

It is an interprime number because it is at equal distance from previous prime (3837795872051) and next prime (3837795872081).

It can be written as a sum of positive squares in 3 ways, for example, as 1344507501841 + 2493288370225 = 1159529^2 + 1579015^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5677212491 + ... + 5677213166.

Almost surely, 2^{3837795872066} is an apocalyptic number.

3837795872066 is a deficient number, since it is larger than the sum of its proper divisors (2395783814176).

3837795872066 is a wasteful number, since it uses less digits than its factorization.

3837795872066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11354425685 (or 11354425672 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 71.

The spelling of 3837795872066 in words is "three trillion, eight hundred thirty-seven billion, seven hundred ninety-five million, eight hundred seventy-two thousand, sixty-six".