151966193 has 4 divisors (see below), whose sum is σ = 152571888. Its totient is φ = 151360500.

The previous prime is 151966187. The next prime is 151966201. The reversal of 151966193 is 391669151.

151966193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 391669151 = 337 ⋅1162223.

It is a cyclic number.

It is not a de Polignac number, because 151966193 - 2¹⁰ = 151965169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151966193.

It is not an unprimeable number, because it can be changed into a prime (151966153) 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, 302471 + ... + 302972.

It is an arithmetic number, because the mean of its divisors is an integer number (38142972).

Almost surely, 2^151966193 is an apocalyptic number.

It is an amenable number.

151966193 is a deficient number, since it is larger than the sum of its proper divisors (605695).

151966193 is an equidigital number, since it uses as much as digits as its factorization.

151966193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605694.

The product of its digits is 43740, while the sum is 41.

The square root of 151966193 is about 12327.4568747978. The cubic root of 151966193 is about 533.6407607341.

The spelling of 151966193 in words is "one hundred fifty-one million, nine hundred sixty-six thousand, one hundred ninety-three".