3660378693 has 8 divisors (see below), whose sum is σ = 4910447328. Its totient is φ = 2425281264.

The previous prime is 3660378691. The next prime is 3660378713. The reversal of 3660378693 is 3968730663.

It is a happy number.

3660378693 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3660378693 - 2¹ = 3660378691 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660378691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3742230 + ... + 3743207.

It is an arithmetic number, because the mean of its divisors is an integer number (613805916).

Almost surely, 2^3660378693 is an apocalyptic number.

It is an amenable number.

3660378693 is a deficient number, since it is larger than the sum of its proper divisors (1250068635).

3660378693 is a wasteful number, since it uses less digits than its factorization.

3660378693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485603.

The product of its (nonzero) digits is 2939328, while the sum is 51.

The square root of 3660378693 is about 60501.0635691638. The cubic root of 3660378693 is about 1541.1396933992.

The spelling of 3660378693 in words is "three billion, six hundred sixty million, three hundred seventy-eight thousand, six hundred ninety-three".