1671703212 has 48 divisors (see below), whose sum is σ = 3962028672. Its totient is φ = 548496000.

The previous prime is 1671703207. The next prime is 1671703219. The reversal of 1671703212 is 2123071761.

It is a super-2 number, since 2×1671703212² = 5589183258022233888, 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 1671703212.

It is not an unprimeable number, because it can be changed into a prime (1671703219) 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, 512587 + ... + 515837.

It is an arithmetic number, because the mean of its divisors is an integer number (82542264).

Almost surely, 2^1671703212 is an apocalyptic number.

1671703212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1671703212 is an abundant number, since it is smaller than the sum of its proper divisors (2290325460).

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

1671703212 is a wasteful number, since it uses less digits than its factorization.

1671703212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918 (or 3916 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1671703212 is about 40886.4673455656. The cubic root of 1671703212 is about 1186.8241974444.

Adding to 1671703212 its reverse (2123071761), we get a palindrome (3794774973).

The spelling of 1671703212 in words is "one billion, six hundred seventy-one million, seven hundred three thousand, two hundred twelve".