9451515166 has 16 divisors (see below), whose sum is σ = 15270893568. Its totient is φ = 4374473400.

The previous prime is 9451515137. The next prime is 9451515167. The reversal of 9451515166 is 6615151549.

It is a super-2 number, since 2×9451515166² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9451515167) 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, 3312570 + ... + 3315421.

It is an arithmetic number, because the mean of its divisors is an integer number (954430848).

Almost surely, 2^9451515166 is an apocalyptic number.

9451515166 is a deficient number, since it is larger than the sum of its proper divisors (5819378402).

9451515166 is a wasteful number, since it uses less digits than its factorization.

9451515166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628047.

The product of its digits is 162000, while the sum is 43.

The square root of 9451515166 is about 97218.9033367482. The cubic root of 9451515166 is about 2114.3026064640.

The spelling of 9451515166 in words is "nine billion, four hundred fifty-one million, five hundred fifteen thousand, one hundred sixty-six".