166511342 has 4 divisors (see below), whose sum is σ = 249767016. Its totient is φ = 83255670.

The previous prime is 166511309. The next prime is 166511347. The reversal of 166511342 is 243115661.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166511347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41627834 + ... + 41627837.

It is an arithmetic number, because the mean of its divisors is an integer number (62441754).

Almost surely, 2^166511342 is an apocalyptic number.

166511342 is a deficient number, since it is larger than the sum of its proper divisors (83255674).

166511342 is an equidigital number, since it uses as much as digits as its factorization.

166511342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83255673.

The product of its digits is 4320, while the sum is 29.

The square root of 166511342 is about 12903.9273866525. The cubic root of 166511342 is about 550.1501980975.

The spelling of 166511342 in words is "one hundred sixty-six million, five hundred eleven thousand, three hundred forty-two".