2161136370446 has 8 divisors (see below), whose sum is σ = 3346275670464. Its totient is φ = 1045711146960.

The previous prime is 2161136370383. The next prime is 2161136370469. The reversal of 2161136370446 is 6440736311612.

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

It is a junction number, because it is equal to n+sod(n) for n = 2161136370397 and 2161136370406.

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, 17428519055 + ... + 17428519178.

It is an arithmetic number, because the mean of its divisors is an integer number (418284458808).

Almost surely, 2^{2161136370446} is an apocalyptic number.

2161136370446 is a deficient number, since it is larger than the sum of its proper divisors (1185139300018).

2161136370446 is a wasteful number, since it uses less digits than its factorization.

2161136370446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34857038266.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 2161136370446 in words is "two trillion, one hundred sixty-one billion, one hundred thirty-six million, three hundred seventy thousand, four hundred forty-six".