2146814670 has 384 divisors, whose sum is σ = 7147219968. Its totient is φ = 401448960.

The previous prime is 2146814669. The next prime is 2146814713. The reversal of 2146814670 is 764186412.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 22132062 + ... + 22132158.

It is an arithmetic number, because the mean of its divisors is an integer number (18612552).

Almost surely, 2^2146814670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146814670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3573609984).

2146814670 is an abundant number, since it is smaller than the sum of its proper divisors (5000405298).

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

2146814670 is a wasteful number, since it uses less digits than its factorization.

2146814670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 2146814670 is about 46333.7314491289. The cubic root of 2146814670 is about 1290.0251722749.

The spelling of 2146814670 in words is "two billion, one hundred forty-six million, eight hundred fourteen thousand, six hundred seventy".