1643106102 has 16 divisors (see below), whose sum is σ = 3584958912. Its totient is φ = 497910920.

The previous prime is 1643106089. The next prime is 1643106103. The reversal of 1643106102 is 2016013461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1643106103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12447708 + ... + 12447839.

It is an arithmetic number, because the mean of its divisors is an integer number (224059932).

Almost surely, 2^1643106102 is an apocalyptic number.

1643106102 is an abundant number, since it is smaller than the sum of its proper divisors (1941852810).

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

1643106102 is a wasteful number, since it uses less digits than its factorization.

1643106102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24895563.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1643106102 is about 40535.2451824335. The cubic root of 1643106102 is about 1180.0177393675.

Adding to 1643106102 its reverse (2016013461), we get a palindrome (3659119563).

The spelling of 1643106102 in words is "one billion, six hundred forty-three million, one hundred six thousand, one hundred two".