1016440061 has 48 divisors (see below), whose sum is σ = 1323705600. Its totient is φ = 759559680.

The previous prime is 1016440057. The next prime is 1016440069. The reversal of 1016440061 is 1600446101.

It is not a de Polignac number, because 1016440061 - 2² = 1016440057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016440069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5107640 + ... + 5107838.

It is an arithmetic number, because the mean of its divisors is an integer number (27577200).

Almost surely, 2^1016440061 is an apocalyptic number.

It is an amenable number.

1016440061 is a deficient number, since it is larger than the sum of its proper divisors (307265539).

1016440061 is a wasteful number, since it uses less digits than its factorization.

1016440061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1016440061 is about 31881.6571244344. The cubic root of 1016440061 is about 1005.4502610208.

Adding to 1016440061 its reverse (1600446101), we get a palindrome (2616886162).

The spelling of 1016440061 in words is "one billion, sixteen million, four hundred forty thousand, sixty-one".