2153663623446 has 32 divisors (see below), whose sum is σ = 4423831614720. Its totient is φ = 698471270496.

The previous prime is 2153663623421. The next prime is 2153663623451. The reversal of 2153663623446 is 6443263663512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20123545 + ... + 20230283.

It is an arithmetic number, because the mean of its divisors is an integer number (138244737960).

Almost surely, 2^{2153663623446} is an apocalyptic number.

2153663623446 is an abundant number, since it is smaller than the sum of its proper divisors (2270167991274).

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

2153663623446 is a wasteful number, since it uses less digits than its factorization.

2153663623446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197668.

The product of its digits is 11197440, while the sum is 51.

The spelling of 2153663623446 in words is "two trillion, one hundred fifty-three billion, six hundred sixty-three million, six hundred twenty-three thousand, four hundred forty-six".