8142551604 has 36 divisors (see below), whose sum is σ = 22453704000. Its totient is φ = 2467439760.

The previous prime is 8142551603. The next prime is 8142551617. The reversal of 8142551604 is 4061552418.

It is a happy number.

8142551604 is a `hidden beast` number, since 8 + 1 + 42 + 5 + 5 + 1 + 604 = 666.

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

It is a super-2 number, since 2×8142551604² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142551603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10280604 + ... + 10281395.

It is an arithmetic number, because the mean of its divisors is an integer number (623714000).

Almost surely, 2^8142551604 is an apocalyptic number.

It is an amenable number.

8142551604 is an abundant number, since it is smaller than the sum of its proper divisors (14311152396).

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

8142551604 is a wasteful number, since it uses less digits than its factorization.

8142551604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20562020 (or 20562015 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 8142551604 is about 90236.0881465947. The cubic root of 8142551604 is about 2011.8094317463.

The spelling of 8142551604 in words is "eight billion, one hundred forty-two million, five hundred fifty-one thousand, six hundred four".