1646652044141 has 16 divisors (see below), whose sum is σ = 1801271236800. Its totient is φ = 1496111057280.

The previous prime is 1646652044131. The next prime is 1646652044143. The reversal of 1646652044141 is 1414402566461.

It is a cyclic number.

It is not a de Polignac number, because 1646652044141 - 2⁶ = 1646652044077 is a prime.

It is a super-2 number, since 2×1646652044141² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1646652044092 and 1646652044101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1646652044143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1300991 + ... + 2232908.

It is an arithmetic number, because the mean of its divisors is an integer number (112579452300).

Almost surely, 2^{1646652044141} is an apocalyptic number.

It is an amenable number.

1646652044141 is a deficient number, since it is larger than the sum of its proper divisors (154619192659).

1646652044141 is a wasteful number, since it uses less digits than its factorization.

1646652044141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534476.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 1646652044141 in words is "one trillion, six hundred forty-six billion, six hundred fifty-two million, forty-four thousand, one hundred forty-one".