366123420663 has 64 divisors (see below), whose sum is σ = 661927762944. Its totient is φ = 173825280000.

The previous prime is 366123420659. The next prime is 366123420673. The reversal of 366123420663 is 366024321663.

It is not a de Polignac number, because 366123420663 - 2² = 366123420659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366123420673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 300258 + ... + 906863.

It is an arithmetic number, because the mean of its divisors is an integer number (10342621296).

Almost surely, 2^366123420663 is an apocalyptic number.

366123420663 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

366123420663 is a deficient number, since it is larger than the sum of its proper divisors (295804342281).

366123420663 is a wasteful number, since it uses less digits than its factorization.

366123420663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207256.

The product of its (nonzero) digits is 559872, while the sum is 42.

The spelling of 366123420663 in words is "three hundred sixty-six billion, one hundred twenty-three million, four hundred twenty thousand, six hundred sixty-three".