1066643342 has 16 divisors (see below), whose sum is σ = 1701689472. Its totient is φ = 499695360.

The previous prime is 1066643341. The next prime is 1066643351. The reversal of 1066643342 is 2433466601.

It is a super-2 number, since 2×1066643342² = 2275456038065857928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066643341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62759 + ... + 77922.

It is an arithmetic number, because the mean of its divisors is an integer number (106355592).

Almost surely, 2^1066643342 is an apocalyptic number.

1066643342 is a deficient number, since it is larger than the sum of its proper divisors (635046130).

1066643342 is a wasteful number, since it uses less digits than its factorization.

1066643342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140923.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 1066643342 is about 32659.5061505835. The cubic root of 1066643342 is about 1021.7384623404.

The spelling of 1066643342 in words is "one billion, sixty-six million, six hundred forty-three thousand, three hundred forty-two".