1616512102 has 4 divisors (see below), whose sum is σ = 2424768156. Its totient is φ = 808256050.

The previous prime is 1616512091. The next prime is 1616512109. The reversal of 1616512102 is 2012156161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1616512102² = 5226222751824916808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616512109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404128024 + ... + 404128027.

It is an arithmetic number, because the mean of its divisors is an integer number (606192039).

Almost surely, 2^1616512102 is an apocalyptic number.

1616512102 is a deficient number, since it is larger than the sum of its proper divisors (808256054).

1616512102 is an equidigital number, since it uses as much as digits as its factorization.

1616512102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808256053.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1616512102 is about 40205.8714866374. The cubic root of 1616512102 is about 1173.6168065263.

Adding to 1616512102 its reverse (2012156161), we get a palindrome (3628668263).

The spelling of 1616512102 in words is "one billion, six hundred sixteen million, five hundred twelve thousand, one hundred two".