2166154505036 has 48 divisors (see below), whose sum is σ = 4018935782400. Its totient is φ = 1018730457792.

The previous prime is 2166154505003. The next prime is 2166154505113. The reversal of 2166154505036 is 6305054516612.

It is a super-2 number, since 2×2166154505036² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6150275 + ... + 6492933.

It is an arithmetic number, because the mean of its divisors is an integer number (83727828800).

Almost surely, 2^{2166154505036} is an apocalyptic number.

It is an amenable number.

2166154505036 is a deficient number, since it is larger than the sum of its proper divisors (1852781277364).

2166154505036 is a wasteful number, since it uses less digits than its factorization.

2166154505036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343278 (or 343276 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 2166154505036 in words is "two trillion, one hundred sixty-six billion, one hundred fifty-four million, five hundred five thousand, thirty-six".