8142551466 has 32 divisors (see below), whose sum is σ = 19044377088. Its totient is φ = 2272339440.

The previous prime is 8142551453. The next prime is 8142551603. The reversal of 8142551466 is 6641552418.

It is a super-2 number, since 2×8142551466² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2252500 + ... + 2256111.

It is an arithmetic number, because the mean of its divisors is an integer number (595136784).

Almost surely, 2^8142551466 is an apocalyptic number.

8142551466 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

8142551466 is an abundant number, since it is smaller than the sum of its proper divisors (10901825622).

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

8142551466 is a wasteful number, since it uses less digits than its factorization.

8142551466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508666.

The product of its digits is 230400, while the sum is 42.

The square root of 8142551466 is about 90236.0873819338. The cubic root of 8142551466 is about 2011.8094203809.

The spelling of 8142551466 in words is "eight billion, one hundred forty-two million, five hundred fifty-one thousand, four hundred sixty-six".