1670153617 has 4 divisors (see below), whose sum is σ = 1821985776. Its totient is φ = 1518321460.

The previous prime is 1670153603. The next prime is 1670153621. The reversal of 1670153617 is 7163510761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7163510761 = 11 ⋅651228251.

It is a cyclic number.

It is not a de Polignac number, because 1670153617 - 2¹¹ = 1670151569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670153657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75916063 + ... + 75916084.

It is an arithmetic number, because the mean of its divisors is an integer number (455496444).

Almost surely, 2^1670153617 is an apocalyptic number.

It is an amenable number.

1670153617 is a deficient number, since it is larger than the sum of its proper divisors (151832159).

1670153617 is a wasteful number, since it uses less digits than its factorization.

1670153617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151832158.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1670153617 is about 40867.5129779144. The cubic root of 1670153617 is about 1186.4573728838.

The spelling of 1670153617 in words is "one billion, six hundred seventy million, one hundred fifty-three thousand, six hundred seventeen".