2161254023422 has 8 divisors (see below), whose sum is σ = 3491256499416. Its totient is φ = 997501856952.

The previous prime is 2161254023407. The next prime is 2161254023491. The reversal of 2161254023422 is 2243204521612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41562577348 + ... + 41562577399.

It is an arithmetic number, because the mean of its divisors is an integer number (436407062427).

Almost surely, 2^{2161254023422} is an apocalyptic number.

2161254023422 is a deficient number, since it is larger than the sum of its proper divisors (1330002475994).

2161254023422 is a wasteful number, since it uses less digits than its factorization.

2161254023422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83125154762.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 2161254023422 in words is "two trillion, one hundred sixty-one billion, two hundred fifty-four million, twenty-three thousand, four hundred twenty-two".