5451374664 has 96 divisors (see below), whose sum is σ = 15597223200. Its totient is φ = 1715281920.

The previous prime is 5451374659. The next prime is 5451374671. The reversal of 5451374664 is 4664731545.

5451374664 is a `hidden beast` number, since 5 + 4 + 513 + 74 + 6 + 64 = 666.

It is a super-2 number, since 2×5451374664² = 59434971454602225792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380104 + ... + 394184.

It is an arithmetic number, because the mean of its divisors is an integer number (162471075).

Almost surely, 2^5451374664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5451374664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7798611600).

5451374664 is an abundant number, since it is smaller than the sum of its proper divisors (10145848536).

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

5451374664 is a wasteful number, since it uses less digits than its factorization.

5451374664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14395 (or 14388 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 5451374664 is about 73833.4251135622. The cubic root of 5451374664 is about 1759.9568110958.

The spelling of 5451374664 in words is "five billion, four hundred fifty-one million, three hundred seventy-four thousand, six hundred sixty-four".