1670202011 has 8 divisors (see below), whose sum is σ = 1795514880. Its totient is φ = 1548629928.

The previous prime is 1670201989. The next prime is 1670202101. The reversal of 1670202011 is 1102020761.

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

It is a cyclic number.

It is not a de Polignac number, because 1670202011 - 2⁶ = 1670201947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670202811) 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, 934271 + ... + 936056.

It is an arithmetic number, because the mean of its divisors is an integer number (224439360).

Almost surely, 2^1670202011 is an apocalyptic number.

1670202011 is a deficient number, since it is larger than the sum of its proper divisors (125312869).

1670202011 is a wasteful number, since it uses less digits than its factorization.

1670202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870393.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1670202011 is about 40868.1050576119. The cubic root of 1670202011 is about 1186.4688322815.

Adding to 1670202011 its reverse (1102020761), we get a palindrome (2772222772).

The spelling of 1670202011 in words is "one billion, six hundred seventy million, two hundred two thousand, eleven".