1016121659 has 16 divisors (see below), whose sum is σ = 1182570240. Its totient is φ = 855036000.

The previous prime is 1016121643. The next prime is 1016121679. The reversal of 1016121659 is 9561216101.

1016121659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1016121659 - 2⁴ = 1016121643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016121619) 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, 450284 + ... + 452534.

It is an arithmetic number, because the mean of its divisors is an integer number (73910640).

Almost surely, 2^1016121659 is an apocalyptic number.

1016121659 is a deficient number, since it is larger than the sum of its proper divisors (166448581).

1016121659 is a wasteful number, since it uses less digits than its factorization.

1016121659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 1016121659 is about 31876.6632350376. The cubic root of 1016121659 is about 1005.3452635826.

The spelling of 1016121659 in words is "one billion, sixteen million, one hundred twenty-one thousand, six hundred fifty-nine".