666546162150660 has 48 divisors (see below), whose sum is σ = 2035995549844032. Its totient is φ = 161586948400000.

The previous prime is 666546162150599. The next prime is 666546162150697. The reversal of 666546162150660 is 66051261645666.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 666546162150594 and 666546162150603.

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, 504959213091 + ... + 504959214410.

It is an arithmetic number, because the mean of its divisors is an integer number (42416573955084).

Almost surely, 2^{666546162150660} is an apocalyptic number.

666546162150660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

666546162150660 is an abundant number, since it is smaller than the sum of its proper divisors (1369449387693372).

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

666546162150660 is a wasteful number, since it uses less digits than its factorization.

666546162150660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009918427524 (or 1009918427522 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 60.

The spelling of 666546162150660 in words is "six hundred sixty-six trillion, five hundred forty-six billion, one hundred sixty-two million, one hundred fifty thousand, six hundred sixty".