1662624012 has 48 divisors (see below), whose sum is σ = 4508824320. Its totient is φ = 466982592.

The previous prime is 1662624011. The next prime is 1662624017. The reversal of 1662624012 is 2104262661.

It is a super-2 number, since 2×1662624012² = 5528637210557952288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1662624011) 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, 162783 + ... + 172694.

It is an arithmetic number, because the mean of its divisors is an integer number (93933840).

Almost surely, 2^1662624012 is an apocalyptic number.

1662624012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1662624012 is an abundant number, since it is smaller than the sum of its proper divisors (2846200308).

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

1662624012 is a wasteful number, since it uses less digits than its factorization.

1662624012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335550 (or 335548 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1662624012 is about 40775.2867801074. The cubic root of 1662624012 is about 1184.6717059560.

Adding to 1662624012 its reverse (2104262661), we get a palindrome (3766886673).

The spelling of 1662624012 in words is "one billion, six hundred sixty-two million, six hundred twenty-four thousand, twelve".