16035321634 has 4 divisors (see below), whose sum is σ = 24052982454. Its totient is φ = 8017660816.

The previous prime is 16035321629. The next prime is 16035321713. The reversal of 16035321634 is 43612353061.

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

It can be written as a sum of positive squares in only one way, i.e., 9046863225 + 6988458409 = 95115^2 + 83597^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16035321634.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4008830407 + ... + 4008830410.

Almost surely, 2^16035321634 is an apocalyptic number.

16035321634 is a deficient number, since it is larger than the sum of its proper divisors (8017660820).

16035321634 is an equidigital number, since it uses as much as digits as its factorization.

16035321634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8017660819.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 16035321634 its reverse (43612353061), we get a palindrome (59647674695).

The spelling of 16035321634 in words is "sixteen billion, thirty-five million, three hundred twenty-one thousand, six hundred thirty-four".