166245400052 has 12 divisors (see below), whose sum is σ = 290975680800. Its totient is φ = 83109491256.

The previous prime is 166245400051. The next prime is 166245400073. The reversal of 166245400052 is 250004542661.

It is a junction number, because it is equal to n+sod(n) for n = 166245399985 and 166245400021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166245400051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273848 + ... + 3324239.

It is an arithmetic number, because the mean of its divisors is an integer number (24247973400).

Almost surely, 2^166245400052 is an apocalyptic number.

It is an amenable number.

166245400052 is a deficient number, since it is larger than the sum of its proper divisors (124730280748).

166245400052 is a wasteful number, since it uses less digits than its factorization.

166245400052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6604390 (or 6604388 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 166245400052 in words is "one hundred sixty-six billion, two hundred forty-five million, four hundred thousand, fifty-two".