253654226166 has 64 divisors (see below), whose sum is σ = 573270670080. Its totient is φ = 74115941760.

The previous prime is 253654226159. The next prime is 253654226179. The reversal of 253654226166 is 661622456352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1361365 + ... + 1536431.

It is an arithmetic number, because the mean of its divisors is an integer number (8957354220).

Almost surely, 2^253654226166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253654226166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286635335040).

253654226166 is an abundant number, since it is smaller than the sum of its proper divisors (319616443914).

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

253654226166 is a wasteful number, since it uses less digits than its factorization.

253654226166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175869.

The product of its digits is 3110400, while the sum is 48.

The spelling of 253654226166 in words is "two hundred fifty-three billion, six hundred fifty-four million, two hundred twenty-six thousand, one hundred sixty-six".