61464168 has 24 divisors (see below), whose sum is σ = 166465650. Its totient is φ = 20488032.

The previous prime is 61464113. The next prime is 61464173. The reversal of 61464168 is 86146416.

61464168 is a `hidden beast` number, since 6 + 1 + 4 + 641 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51236964 + 10227204 = 7158^2 + 3198^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 426763 + ... + 426906.

Almost surely, 2^61464168 is an apocalyptic number.

It is an amenable number.

61464168 is an abundant number, since it is smaller than the sum of its proper divisors (105001482).

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

61464168 is a wasteful number, since it uses less digits than its factorization.

61464168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853681 (or 853674 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 61464168 is about 7839.9086729375. The cubic root of 61464168 is about 394.6456641845.

The spelling of 61464168 in words is "sixty-one million, four hundred sixty-four thousand, one hundred sixty-eight".