1902017066 has 16 divisors (see below), whose sum is σ = 2864332800. Its totient is φ = 947246928.

The previous prime is 1902017063. The next prime is 1902017081. The reversal of 1902017066 is 6607102091.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1902017063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848375 + ... + 850613.

It is an arithmetic number, because the mean of its divisors is an integer number (179020800).

Almost surely, 2^1902017066 is an apocalyptic number.

1902017066 is a deficient number, since it is larger than the sum of its proper divisors (962315734).

1902017066 is a wasteful number, since it uses less digits than its factorization.

1902017066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1902017066 is about 43612.1206317693. The cubic root of 1902017066 is about 1239.0004661954. Note that the first 3 decimals are identical.

The spelling of 1902017066 in words is "one billion, nine hundred two million, seventeen thousand, sixty-six".