4166438136 has 64 divisors (see below), whose sum is σ = 11909894400. Its totient is φ = 1189832448.

The previous prime is 4166438119. The next prime is 4166438167. The reversal of 4166438136 is 6318346614.

It is a super-2 number, since 2×4166438136² = 34718413482230308992, which contains 22 as substring.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437635 + ... + 447053.

It is an arithmetic number, because the mean of its divisors is an integer number (186092100).

Almost surely, 2^4166438136 is an apocalyptic number.

It is an amenable number.

4166438136 is an abundant number, since it is smaller than the sum of its proper divisors (7743456264).

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

4166438136 is a wasteful number, since it uses less digits than its factorization.

4166438136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12068 (or 12064 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 4166438136 is about 64547.9522215848. The cubic root of 4166438136 is about 1609.1195546138.

It can be divided in two parts, 41664 and 38136, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 4166438136 in words is "four billion, one hundred sixty-six million, four hundred thirty-eight thousand, one hundred thirty-six".