1606705735953 has 8 divisors (see below), whose sum is σ = 2255025594400. Its totient is φ = 1014761517408.

The previous prime is 1606705735951. The next prime is 1606705735961. The reversal of 1606705735953 is 3595375076061.

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

It is not a de Polignac number, because 1606705735953 - 2¹ = 1606705735951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 28187819929 = 1606705735953 / (1 + 6 + 0 + 6 + 7 + 0 + 5 + 7 + 3 + 5 + 9 + 5 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 1606705735893 and 1606705735902.

It is not an unprimeable number, because it can be changed into a prime (1606705735951) 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, 14093909908 + ... + 14093910021.

It is an arithmetic number, because the mean of its divisors is an integer number (281878199300).

Almost surely, 2^{1606705735953} is an apocalyptic number.

It is an amenable number.

1606705735953 is a deficient number, since it is larger than the sum of its proper divisors (648319858447).

1606705735953 is a wasteful number, since it uses less digits than its factorization.

1606705735953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28187819951.

The product of its (nonzero) digits is 17860500, while the sum is 57.

The spelling of 1606705735953 in words is "one trillion, six hundred six billion, seven hundred five million, seven hundred thirty-five thousand, nine hundred fifty-three".