366497091456 has 128 divisors (see below), whose sum is σ = 981405680640. Its totient is φ = 121177036800.

The previous prime is 366497091421. The next prime is 366497091551. The reversal of 366497091456 is 654190794663.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×366497091456³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 366497091456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42497961 + ... + 42506583.

It is an arithmetic number, because the mean of its divisors is an integer number (7667231880).

Almost surely, 2^366497091456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366497091456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490702840320).

366497091456 is an abundant number, since it is smaller than the sum of its proper divisors (614908589184).

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

366497091456 is a wasteful number, since it uses less digits than its factorization.

366497091456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9524 (or 9512 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 366497091456 in words is "three hundred sixty-six billion, four hundred ninety-seven million, ninety-one thousand, four hundred fifty-six".