2254164032646 has 12 divisors (see below), whose sum is σ = 4884022070772. Its totient is φ = 751388010876.

The previous prime is 2254164032639. The next prime is 2254164032647. The reversal of 2254164032646 is 6462304614522.

It is a happy number.

2254164032646 is a `hidden beast` number, since 2 + 2 + 541 + 6 + 40 + 3 + 2 + 64 + 6 = 666.

It is a super-2 number, since 2×2254164032646² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254164032647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62615667556 + ... + 62615667591.

It is an arithmetic number, because the mean of its divisors is an integer number (407001839231).

Almost surely, 2^{2254164032646} is an apocalyptic number.

2254164032646 is an abundant number, since it is smaller than the sum of its proper divisors (2629858038126).

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

2254164032646 is a wasteful number, since it uses less digits than its factorization.

2254164032646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125231335155 (or 125231335152 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 2254164032646 in words is "two trillion, two hundred fifty-four billion, one hundred sixty-four million, thirty-two thousand, six hundred forty-six".