1667606012 has 12 divisors (see below), whose sum is σ = 2941290240. Its totient is φ = 827237376.

The previous prime is 1667605987. The next prime is 1667606029. The reversal of 1667606012 is 2106067661.

It is a super-2 number, since 2×1667606012² = 5561819622517088288, which contains 22 as substring.

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, 1640837 + ... + 1641852.

It is an arithmetic number, because the mean of its divisors is an integer number (245107520).

Almost surely, 2^1667606012 is an apocalyptic number.

It is an amenable number.

1667606012 is a deficient number, since it is larger than the sum of its proper divisors (1273684228).

1667606012 is a wasteful number, since it uses less digits than its factorization.

1667606012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282820 (or 3282818 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1667606012 is about 40836.3320096210. The cubic root of 1667606012 is about 1185.8538030716.

The spelling of 1667606012 in words is "one billion, six hundred sixty-seven million, six hundred six thousand, twelve".