4781257164 has 36 divisors (see below), whose sum is σ = 12231577176. Its totient is φ = 1574549568.

The previous prime is 4781257141. The next prime is 4781257183. The reversal of 4781257164 is 4617521874.

4781257164 is a `hidden beast` number, since 4 + 7 + 8 + 12 + 571 + 64 = 666.

4781257164 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 797089 + ... + 803064.

Almost surely, 2^4781257164 is an apocalyptic number.

It is an amenable number.

4781257164 is an abundant number, since it is smaller than the sum of its proper divisors (7450320012).

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

4781257164 is a wasteful number, since it uses less digits than its factorization.

4781257164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600246 (or 1600241 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 4781257164 is about 69146.6352326706. The cubic root of 4781257164 is about 1684.6668666090. Note that the first 3 decimals are identical.

It can be divided in two parts, 47812 and 57164, that added together give a 4-th power (104976 = 18⁴).

The spelling of 4781257164 in words is "four billion, seven hundred eighty-one million, two hundred fifty-seven thousand, one hundred sixty-four".