1442620166 has 12 divisors (see below), whose sum is σ = 2343191292. Its totient is φ = 665824536.

The previous prime is 1442620159. The next prime is 1442620213. The reversal of 1442620166 is 6610262441.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2133716 + ... + 2134391.

It is an arithmetic number, because the mean of its divisors is an integer number (195265941).

Almost surely, 2^1442620166 is an apocalyptic number.

1442620166 is a deficient number, since it is larger than the sum of its proper divisors (900571126).

1442620166 is a wasteful number, since it uses less digits than its factorization.

1442620166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268135 (or 4268122 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1442620166 is about 37981.8399501657. The cubic root of 1442620166 is about 1129.9277281681.

The spelling of 1442620166 in words is "one billion, four hundred forty-two million, six hundred twenty thousand, one hundred sixty-six".