2153625230066 has 4 divisors (see below), whose sum is σ = 3230437845102. Its totient is φ = 1076812615032.

The previous prime is 2153625230051. The next prime is 2153625230083. The reversal of 2153625230066 is 6600325263512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2153394828025 + 230402041 = 1467445^2 + 15179^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538406307515 + ... + 538406307518.

Almost surely, 2^{2153625230066} is an apocalyptic number.

2153625230066 is a deficient number, since it is larger than the sum of its proper divisors (1076812615036).

2153625230066 is a wasteful number, since it uses less digits than its factorization.

2153625230066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076812615035.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 2153625230066 in words is "two trillion, one hundred fifty-three billion, six hundred twenty-five million, two hundred thirty thousand, sixty-six".