10016561016004 has 48 divisors (see below), whose sum is σ = 18552365185536. Its totient is φ = 4724274412800.

The previous prime is 10016561016001. The next prime is 10016561016107. The reversal of 10016561016004 is 40061016561001.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (10016561016001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4796907 + ... + 6560749.

It is an arithmetic number, because the mean of its divisors is an integer number (386507608032).

Almost surely, 2^{10016561016004} is an apocalyptic number.

It is an amenable number.

10016561016004 is a deficient number, since it is larger than the sum of its proper divisors (8535804169532).

10016561016004 is a wasteful number, since it uses less digits than its factorization.

10016561016004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765036 (or 1765034 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 10016561016004 its reverse (40061016561001), we get a palindrome (50077577577005).

The spelling of 10016561016004 in words is "ten trillion, sixteen billion, five hundred sixty-one million, sixteen thousand, four".