451161084 has 96 divisors (see below), whose sum is σ = 1184504832. Its totient is φ = 133584000.

The previous prime is 451161047. The next prime is 451161101. The reversal of 451161084 is 480161154.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750384 + ... + 750984.

It is an arithmetic number, because the mean of its divisors is an integer number (12338592).

Almost surely, 2^451161084 is an apocalyptic number.

451161084 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451161084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592252416).

451161084 is an abundant number, since it is smaller than the sum of its proper divisors (733343748).

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

451161084 is a wasteful number, since it uses less digits than its factorization.

451161084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 451161084 is about 21240.5528176646. The cubic root of 451161084 is about 766.9679401536.

The spelling of 451161084 in words is "four hundred fifty-one million, one hundred sixty-one thousand, eighty-four".