240166263625253 has 16 divisors (see below), whose sum is σ = 289429592208000. Its totient is φ = 194679483478272.

The previous prime is 240166263625247. The next prime is 240166263625259. The reversal of 240166263625253 is 352526362661042.

It is an interprime number because it is at equal distance from previous prime (240166263625247) and next prime (240166263625259).

It is a cyclic number.

It is not a de Polignac number, because 240166263625253 - 2²⁰ = 240166262576677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240166263625195 and 240166263625204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240166263625259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1586709368 + ... + 1586860721.

It is an arithmetic number, because the mean of its divisors is an integer number (18089349513000).

Almost surely, 2^{240166263625253} is an apocalyptic number.

It is an amenable number.

240166263625253 is a deficient number, since it is larger than the sum of its proper divisors (49263328582747).

240166263625253 is a wasteful number, since it uses less digits than its factorization.

240166263625253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173570684.

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 240166263625253 in words is "two hundred forty trillion, one hundred sixty-six billion, two hundred sixty-three million, six hundred twenty-five thousand, two hundred fifty-three".