1666101532 has 12 divisors (see below), whose sum is σ = 2916547200. Its totient is φ = 832802336.

The previous prime is 1666101517. The next prime is 1666101551. The reversal of 1666101532 is 2351016661.

It is a junction number, because it is equal to n+sod(n) for n = 1666101494 and 1666101503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46588 + ... + 74179.

It is an arithmetic number, because the mean of its divisors is an integer number (243045600).

Almost surely, 2^1666101532 is an apocalyptic number.

It is an amenable number.

1666101532 is a deficient number, since it is larger than the sum of its proper divisors (1250445668).

1666101532 is a wasteful number, since it uses less digits than its factorization.

1666101532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124220 (or 124218 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1666101532 is about 40817.9070017070. The cubic root of 1666101532 is about 1185.4970780998.

The spelling of 1666101532 in words is "one billion, six hundred sixty-six million, one hundred one thousand, five hundred thirty-two".