3666366654 has 16 divisors (see below), whose sum is σ = 7718666880. Its totient is φ = 1157799960.

The previous prime is 3666366643. The next prime is 3666366689. The reversal of 3666366654 is 4566636663.

It is a junction number, because it is equal to n+sod(n) for n = 3666366597 and 3666366606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16080442 + ... + 16080669.

It is an arithmetic number, because the mean of its divisors is an integer number (482416680).

Almost surely, 2^3666366654 is an apocalyptic number.

3666366654 is an abundant number, since it is smaller than the sum of its proper divisors (4052300226).

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

3666366654 is a wasteful number, since it uses less digits than its factorization.

3666366654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32161135.

The product of its digits is 8398080, while the sum is 51.

The square root of 3666366654 is about 60550.5297582110. The cubic root of 3666366654 is about 1541.9796116684.

The spelling of 3666366654 in words is "three billion, six hundred sixty-six million, three hundred sixty-six thousand, six hundred fifty-four".