151966 has 4 divisors (see below), whose sum is σ = 227952. Its totient is φ = 75982.

The previous prime is 151939. The next prime is 151967. The reversal of 151966 is 669151.

151966 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.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37990 + ... + 37993.

It is an arithmetic number, because the mean of its divisors is an integer number (56988).

2¹⁵¹⁹⁶⁶ is an apocalyptic number.

151966 is a deficient number, since it is larger than the sum of its proper divisors (75986).

151966 is an equidigital number, since it uses as much as digits as its factorization.

151966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75985.

The product of its digits is 1620, while the sum is 28.

The square root of 151966 is about 389.8281672737. The cubic root of 151966 is about 53.3640534823.

The spelling of 151966 in words is "one hundred fifty-one thousand, nine hundred sixty-six".