16120008 has 48 divisors (see below), whose sum is σ = 43886700. Its totient is φ = 5345280.

The previous prime is 16119989. The next prime is 16120051. The reversal of 16120008 is 80002161.

It can be written as a sum of positive squares in 2 ways, for example, as 15539364 + 580644 = 3942^2 + 762^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16888 + ... + 17816.

Almost surely, 2^16120008 is an apocalyptic number.

16120008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16120008 is an abundant number, since it is smaller than the sum of its proper divisors (27766692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16120008 is a wasteful number, since it uses less digits than its factorization.

16120008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 16120008 is about 4014.9729762478. The cubic root of 16120008 is about 252.6126439207.

Adding to 16120008 its reverse (80002161), we get a palindrome (96122169).

The spelling of 16120008 in words is "sixteen million, one hundred twenty thousand, eight".