153663216001 has 3 divisors (see below), whose sum is σ = 153663608001. Its totient is φ = 153662824002.

The previous prime is 153663215999. The next prime is 153663216011. The reversal of 153663216001 is 100612366351.

The square root of 153663216001 is 391999.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 153663216001 - 2¹ = 153663215999 is a prime.

It is a super-2 number, since 2×153663216001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153663216011) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 196000 + ... + 587998.

It is an arithmetic number, because the mean of its divisors is an integer number (51221202667).

Almost surely, 2^153663216001 is an apocalyptic number.

153663216001 is the 391999-th square number.

153663216001 is the 196000-th centered octagonal number.

It is an amenable number.

153663216001 is a deficient number, since it is larger than the sum of its proper divisors (392000).

153663216001 is an frugal number, since it uses more digits than its factorization.

153663216001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783998 (or 391999 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

It can be divided in two parts, 153663 and 216001, that added together give a square (369664 = 608²).

The spelling of 153663216001 in words is "one hundred fifty-three billion, six hundred sixty-three million, two hundred sixteen thousand, one".