36431370066 has 128 divisors (see below), whose sum is σ = 93473243136. Its totient is φ = 9207613440.

The previous prime is 36431370049. The next prime is 36431370083. The reversal of 36431370066 is 66007313463.

It is an interprime number because it is at equal distance from previous prime (36431370049) and next prime (36431370083).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1732930 + ... + 1753826.

It is an arithmetic number, because the mean of its divisors is an integer number (730259712).

Almost surely, 2^36431370066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36431370066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46736621568).

36431370066 is an abundant number, since it is smaller than the sum of its proper divisors (57041873070).

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

36431370066 is a wasteful number, since it uses less digits than its factorization.

36431370066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21056.

The product of its (nonzero) digits is 163296, while the sum is 39.

The spelling of 36431370066 in words is "thirty-six billion, four hundred thirty-one million, three hundred seventy thousand, sixty-six".