1663570342 has 8 divisors (see below), whose sum is σ = 2851834896. Its totient is φ = 712958712.

The previous prime is 1663570277. The next prime is 1663570351. The reversal of 1663570342 is 2430753661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1663570342³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59413213 + ... + 59413240.

It is an arithmetic number, because the mean of its divisors is an integer number (356479362).

Almost surely, 2^1663570342 is an apocalyptic number.

1663570342 is a deficient number, since it is larger than the sum of its proper divisors (1188264554).

1663570342 is a wasteful number, since it uses less digits than its factorization.

1663570342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118826462.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 1663570342 is about 40786.8893395905. The cubic root of 1663570342 is about 1184.8964265853.

The spelling of 1663570342 in words is "one billion, six hundred sixty-three million, five hundred seventy thousand, three hundred forty-two".