546120121021644 has 48 divisors (see below), whose sum is σ = 1372499327208800. Its totient is φ = 168012778521600.

The previous prime is 546120121021609. The next prime is 546120121021679. The reversal of 546120121021644 is 446120121021645.

It is an interprime number because it is at equal distance from previous prime (546120121021609) and next prime (546120121021679).

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 250806157 + ... + 252974244.

Almost surely, 2^{546120121021644} is an apocalyptic number.

It is an amenable number.

546120121021644 is an abundant number, since it is smaller than the sum of its proper divisors (826379206187156).

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

546120121021644 is a wasteful number, since it uses less digits than its factorization.

546120121021644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503787370 (or 503787368 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

Subtracting from 546120121021644 its reverse (446120121021645), we obtain a palindrome (99999999999999).

The spelling of 546120121021644 in words is "five hundred forty-six trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, six hundred forty-four".