1945066067 has 8 divisors (see below), whose sum is σ = 2353693536. Its totient is φ = 1569128832.

The previous prime is 1945066051. The next prime is 1945066099. The reversal of 1945066067 is 7606605491.

It is a happy number.

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

It is not a de Polignac number, because 1945066067 - 2⁴ = 1945066051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1945066037) 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, 8172428 + ... + 8172665.

It is an arithmetic number, because the mean of its divisors is an integer number (294211692).

Almost surely, 2^1945066067 is an apocalyptic number.

1945066067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1945066067 is a deficient number, since it is larger than the sum of its proper divisors (408627469).

1945066067 is a wasteful number, since it uses less digits than its factorization.

1945066067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16345117.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1945066067 is about 44102.9031584090. The cubic root of 1945066067 is about 1248.2783908983.

The spelling of 1945066067 in words is "one billion, nine hundred forty-five million, sixty-six thousand, sixty-seven".