2215146540654 has 24 divisors (see below), whose sum is σ = 4857309285192. Its totient is φ = 729486008880.

The previous prime is 2215146540641. The next prime is 2215146540671. The reversal of 2215146540654 is 4560456415122.

2215146540654 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 1 + 46 + 540 + 65 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 741346077 + ... + 741349064.

It is an arithmetic number, because the mean of its divisors is an integer number (202387886883).

Almost surely, 2^{2215146540654} is an apocalyptic number.

2215146540654 is an abundant number, since it is smaller than the sum of its proper divisors (2642162744538).

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

2215146540654 is a wasteful number, since it uses less digits than its factorization.

2215146540654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482695232 (or 1482695229 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 2215146540654 in words is "two trillion, two hundred fifteen billion, one hundred forty-six million, five hundred forty thousand, six hundred fifty-four".