53212612166000 has 80 divisors (see below), whose sum is σ = 147049252858560. Its totient is φ = 18244324166400.

The previous prime is 53212612165987. The next prime is 53212612166011. The reversal of 53212612166000 is 66121621235.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 1900436435 + ... + 1900464434.

It is an arithmetic number, because the mean of its divisors is an integer number (1838115660732).

Almost surely, 2^{53212612166000} is an apocalyptic number.

53212612166000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53212612166000 is an abundant number, since it is smaller than the sum of its proper divisors (93836640692560).

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

53212612166000 is a wasteful number, since it uses less digits than its factorization.

53212612166000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800900899 (or 3800900883 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 53212612166000 its reverse (66121621235), we get a palindrome (53278733787235).

The spelling of 53212612166000 in words is "fifty-three trillion, two hundred twelve billion, six hundred twelve million, one hundred sixty-six thousand".