151766 has 4 divisors (see below), whose sum is σ = 227652. Its totient is φ = 75882.

The previous prime is 151733. The next prime is 151769. The reversal of 151766 is 667151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 667151 = 31 ⋅21521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37940 + ... + 37943.

It is an arithmetic number, because the mean of its divisors is an integer number (56913).

2¹⁵¹⁷⁶⁶ is an apocalyptic number.

151766 is a deficient number, since it is larger than the sum of its proper divisors (75886).

151766 is an equidigital number, since it uses as much as digits as its factorization.

151766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75885.

The product of its digits is 1260, while the sum is 26.

The square root of 151766 is about 389.5715595369. The cubic root of 151766 is about 53.3406326815.

The spelling of 151766 in words is "one hundred fifty-one thousand, seven hundred sixty-six".