2146230013578 has 96 divisors (see below), whose sum is σ = 5101506551808. Its totient is φ = 599926572000.

The previous prime is 2146230013567. The next prime is 2146230013589. The reversal of 2146230013578 is 8753100326412.

It is an interprime number because it is at equal distance from previous prime (2146230013567) and next prime (2146230013589).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36878803 + ... + 36936953.

It is an arithmetic number, because the mean of its divisors is an integer number (53140693248).

Almost surely, 2^{2146230013578} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146230013578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550753275904).

2146230013578 is an abundant number, since it is smaller than the sum of its proper divisors (2955276538230).

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

2146230013578 is a wasteful number, since it uses less digits than its factorization.

2146230013578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60888 (or 60881 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 2146230013578 in words is "two trillion, one hundred forty-six billion, two hundred thirty million, thirteen thousand, five hundred seventy-eight".