546164981 has 4 divisors (see below), whose sum is σ = 547260000. Its totient is φ = 545069964.

The previous prime is 546164963. The next prime is 546164987. The reversal of 546164981 is 189461645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546164981 is a prime.

It is a super-2 number, since 2×546164981² = 596592372941460722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546164987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546761 + ... + 547758.

It is an arithmetic number, because the mean of its divisors is an integer number (136815000).

Almost surely, 2^546164981 is an apocalyptic number.

It is an amenable number.

546164981 is a deficient number, since it is larger than the sum of its proper divisors (1095019).

546164981 is a wasteful number, since it uses less digits than its factorization.

546164981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095018.

The product of its digits is 207360, while the sum is 44.

The square root of 546164981 is about 23370.1728919578. The cubic root of 546164981 is about 817.4125165824.

The spelling of 546164981 in words is "five hundred forty-six million, one hundred sixty-four thousand, nine hundred eighty-one".