1464655645646 has 32 divisors (see below), whose sum is σ = 2287836236448. Its totient is φ = 702824886400.

The previous prime is 1464655645637. The next prime is 1464655645669. The reversal of 1464655645646 is 6465465564641.

It is a happy number.

It is a super-2 number, since 2×1464655645646² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64460 + ... + 1712736.

It is an arithmetic number, because the mean of its divisors is an integer number (71494882389).

Almost surely, 2^{1464655645646} is an apocalyptic number.

1464655645646 is a deficient number, since it is larger than the sum of its proper divisors (823180590802).

1464655645646 is a wasteful number, since it uses less digits than its factorization.

1464655645646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648516.

The product of its digits is 248832000, while the sum is 62.

The spelling of 1464655645646 in words is "one trillion, four hundred sixty-four billion, six hundred fifty-five million, six hundred forty-five thousand, six hundred forty-six".