1662662012 has 48 divisors (see below), whose sum is σ = 3259872000. Its totient is φ = 735446400.

The previous prime is 1662662011. The next prime is 1662662041. The reversal of 1662662012 is 2102662661.

It is a super-2 number, since 2×1662662012² = 5528889932295776288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1662662012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662662011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899273 + ... + 901119.

It is an arithmetic number, because the mean of its divisors is an integer number (67914000).

Almost surely, 2^1662662012 is an apocalyptic number.

It is an amenable number.

1662662012 is a deficient number, since it is larger than the sum of its proper divisors (1597209988).

1662662012 is a wasteful number, since it uses less digits than its factorization.

1662662012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1662662012 is about 40775.7527459641. The cubic root of 1662662012 is about 1184.6807312842.

The spelling of 1662662012 in words is "one billion, six hundred sixty-two million, six hundred sixty-two thousand, twelve".