1968015226 has 8 divisors (see below), whose sum is σ = 3053816820. Its totient is φ = 950076288.

The previous prime is 1968015209. The next prime is 1968015233. The reversal of 1968015226 is 6225108691.

It can be written as a sum of positive squares in 2 ways, for example, as 1689292201 + 278723025 = 41101^2 + 16695^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16965591 + ... + 16965706.

Almost surely, 2^1968015226 is an apocalyptic number.

1968015226 is a deficient number, since it is larger than the sum of its proper divisors (1085801594).

1968015226 is a wasteful number, since it uses less digits than its factorization.

1968015226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33931328.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1968015226 is about 44362.3176355790. The cubic root of 1968015226 is about 1253.1685430284.

The spelling of 1968015226 in words is "one billion, nine hundred sixty-eight million, fifteen thousand, two hundred twenty-six".