105661501016 has 32 divisors (see below), whose sum is σ = 199206604800. Its totient is φ = 52539891360.

The previous prime is 105661501007. The next prime is 105661501051. The reversal of 105661501016 is 610105166501.

It is a super-2 number, since 2×105661501016² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7692731 + ... + 7706453.

It is an arithmetic number, because the mean of its divisors is an integer number (6225206400).

Almost surely, 2^105661501016 is an apocalyptic number.

It is an amenable number.

105661501016 is a deficient number, since it is larger than the sum of its proper divisors (93545103784).

105661501016 is a wasteful number, since it uses less digits than its factorization.

105661501016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18959 (or 18955 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

Adding to 105661501016 its reverse (610105166501), we get a palindrome (715766667517).

The spelling of 105661501016 in words is "one hundred five billion, six hundred sixty-one million, five hundred one thousand, sixteen".