1662255042 has 32 divisors (see below), whose sum is σ = 3887803392. Its totient is φ = 463884624.

The previous prime is 1662254989. The next prime is 1662255079. The reversal of 1662255042 is 2405522661.

It is a junction number, because it is equal to n+sod(n) for n = 1662254994 and 1662255012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458398 + ... + 462009.

It is an arithmetic number, because the mean of its divisors is an integer number (121493856).

Almost surely, 2^1662255042 is an apocalyptic number.

1662255042 is an abundant number, since it is smaller than the sum of its proper divisors (2225548350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1662255042 is a wasteful number, since it uses less digits than its factorization.

1662255042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920462.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1662255042 is about 40770.7620973658. The cubic root of 1662255042 is about 1184.5840652438.

The spelling of 1662255042 in words is "one billion, six hundred sixty-two million, two hundred fifty-five thousand, forty-two".