16950451557 has 8 divisors (see below), whose sum is σ = 24339109984. Its totient is φ = 10431047088.

The previous prime is 16950451549. The next prime is 16950451559. The reversal of 16950451557 is 75515405961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16950451557 - 2³ = 16950451549 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 (16950451559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217313443 + ... + 217313520.

It is an arithmetic number, because the mean of its divisors is an integer number (3042388748).

Almost surely, 2^16950451557 is an apocalyptic number.

It is an amenable number.

16950451557 is a deficient number, since it is larger than the sum of its proper divisors (7388658427).

16950451557 is a wasteful number, since it uses less digits than its factorization.

16950451557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434626979.

The product of its (nonzero) digits is 945000, while the sum is 48.

The spelling of 16950451557 in words is "sixteen billion, nine hundred fifty million, four hundred fifty-one thousand, five hundred fifty-seven".