2159415636546 has 64 divisors (see below), whose sum is σ = 5009590656000. Its totient is φ = 607795569216.

The previous prime is 2159415636491. The next prime is 2159415636571. The reversal of 2159415636546 is 6456365149512.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329145 + ... + 2104083.

It is an arithmetic number, because the mean of its divisors is an integer number (78274854000).

Almost surely, 2^{2159415636546} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2159415636546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2504795328000).

2159415636546 is an abundant number, since it is smaller than the sum of its proper divisors (2850175019454).

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

2159415636546 is a wasteful number, since it uses less digits than its factorization.

2159415636546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775383.

The product of its digits is 23328000, while the sum is 57.

The spelling of 2159415636546 in words is "two trillion, one hundred fifty-nine billion, four hundred fifteen million, six hundred thirty-six thousand, five hundred forty-six".