2116432266154 has 4 divisors (see below), whose sum is σ = 3174648399234. Its totient is φ = 1058216133076.

The previous prime is 2116432266139. The next prime is 2116432266167. The reversal of 2116432266154 is 4516622346112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1402199381025 + 714232885129 = 1184145^2 + 845123^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2116432266154.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529108066537 + ... + 529108066540.

Almost surely, 2^{2116432266154} is an apocalyptic number.

2116432266154 is a deficient number, since it is larger than the sum of its proper divisors (1058216133080).

2116432266154 is a wasteful number, since it uses less digits than its factorization.

2116432266154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058216133079.

The product of its digits is 414720, while the sum is 43.

The spelling of 2116432266154 in words is "two trillion, one hundred sixteen billion, four hundred thirty-two million, two hundred sixty-six thousand, one hundred fifty-four".