16015424623 has 4 divisors (see below), whose sum is σ = 17471372328. Its totient is φ = 14559476920.

The previous prime is 16015424471. The next prime is 16015424641. The reversal of 16015424623 is 32642451061.

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

It is a cyclic number.

It is not a de Polignac number, because 16015424623 - 2¹⁷ = 16015293551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16015424123) 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, 727973836 + ... + 727973857.

It is an arithmetic number, because the mean of its divisors is an integer number (4367843082).

Almost surely, 2^16015424623 is an apocalyptic number.

16015424623 is a deficient number, since it is larger than the sum of its proper divisors (1455947705).

16015424623 is a wasteful number, since it uses less digits than its factorization.

16015424623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455947704.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 16015424623 its reverse (32642451061), we get a palindrome (48657875684).

The spelling of 16015424623 in words is "sixteen billion, fifteen million, four hundred twenty-four thousand, six hundred twenty-three".