1646464356452 has 12 divisors (see below), whose sum is σ = 2881351017216. Its totient is φ = 823221208680.

The previous prime is 1646464356409. The next prime is 1646464356521. The reversal of 1646464356452 is 2546534646461.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2399924 + ... + 3008747.

It is an arithmetic number, because the mean of its divisors is an integer number (240112584768).

Almost surely, 2^{1646464356452} is an apocalyptic number.

It is an amenable number.

1646464356452 is a deficient number, since it is larger than the sum of its proper divisors (1234886660764).

1646464356452 is a wasteful number, since it uses less digits than its factorization.

1646464356452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484778 (or 5484776 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 56.

The spelling of 1646464356452 in words is "one trillion, six hundred forty-six billion, four hundred sixty-four million, three hundred fifty-six thousand, four hundred fifty-two".