1966410151 has 4 divisors (see below), whose sum is σ = 1971981072. Its totient is φ = 1960839232.

The previous prime is 1966410133. The next prime is 1966410169. The reversal of 1966410151 is 1510146691.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1966410133) and next prime (1966410169).

It is a cyclic number.

It is not a de Polignac number, because 1966410151 - 2⁵ = 1966410119 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 (1966410101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2784931 + ... + 2785636.

It is an arithmetic number, because the mean of its divisors is an integer number (492995268).

Almost surely, 2^1966410151 is an apocalyptic number.

1966410151 is a deficient number, since it is larger than the sum of its proper divisors (5570921).

1966410151 is an equidigital number, since it uses as much as digits as its factorization.

1966410151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570920.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1966410151 is about 44344.2234231247. The cubic root of 1966410151 is about 1252.8277637247.

The spelling of 1966410151 in words is "one billion, nine hundred sixty-six million, four hundred ten thousand, one hundred fifty-one".