1683145654 has 8 divisors (see below), whose sum is σ = 2531871720. Its totient is φ = 839188416.

The previous prime is 1683145619. The next prime is 1683145657. The reversal of 1683145654 is 4565413861.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1683145654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683145657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191324 + ... + 1192735.

It is an arithmetic number, because the mean of its divisors is an integer number (316483965).

Almost surely, 2^1683145654 is an apocalyptic number.

1683145654 is a deficient number, since it is larger than the sum of its proper divisors (848726066).

1683145654 is a wasteful number, since it uses less digits than its factorization.

1683145654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384414.

The product of its digits is 345600, while the sum is 43.

The square root of 1683145654 is about 41026.1581676861. The cubic root of 1683145654 is about 1189.5258930987.

The spelling of 1683145654 in words is "one billion, six hundred eighty-three million, one hundred forty-five thousand, six hundred fifty-four".