16135023634 has 8 divisors (see below), whose sum is σ = 24543416448. Its totient is φ = 7953884820.

The previous prime is 16135023631. The next prime is 16135023659. The reversal of 16135023634 is 43632053161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16135023634.

It is not an unprimeable number, because it can be changed into a prime (16135023631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56813322 + ... + 56813605.

It is an arithmetic number, because the mean of its divisors is an integer number (3067927056).

Almost surely, 2^16135023634 is an apocalyptic number.

16135023634 is a deficient number, since it is larger than the sum of its proper divisors (8408392814).

16135023634 is a wasteful number, since it uses less digits than its factorization.

16135023634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113627000.

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

Adding to 16135023634 its reverse (43632053161), we get a palindrome (59767076795).

The spelling of 16135023634 in words is "sixteen billion, one hundred thirty-five million, twenty-three thousand, six hundred thirty-four".