1051670553657 has 8 divisors (see below), whose sum is σ = 1402763230176. Its totient is φ = 700845789792.

The previous prime is 1051670553643. The next prime is 1051670553677. The reversal of 1051670553657 is 7563550761501.

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

It is not a de Polignac number, because 1051670553657 - 2¹⁰ = 1051670552633 is a prime.

It is a super-2 number, since 2×1051670553657² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051670553607) 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, 66969003 + ... + 66984704.

It is an arithmetic number, because the mean of its divisors is an integer number (175345403772).

Almost surely, 2^{1051670553657} is an apocalyptic number.

It is an amenable number.

1051670553657 is a deficient number, since it is larger than the sum of its proper divisors (351092676519).

1051670553657 is a wasteful number, since it uses less digits than its factorization.

1051670553657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133956327.

The product of its (nonzero) digits is 3307500, while the sum is 51.

The spelling of 1051670553657 in words is "one trillion, fifty-one billion, six hundred seventy million, five hundred fifty-three thousand, six hundred fifty-seven".