1670775431 has 16 divisors (see below), whose sum is σ = 1912777440. Its totient is φ = 1446595200.

The previous prime is 1670775427. The next prime is 1670775451. The reversal of 1670775431 is 1345770761.

It is a cyclic number.

It is not a de Polignac number, because 1670775431 - 2² = 1670775427 is a prime.

It is a super-2 number, since 2×1670775431² = 5582981081666471522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670775401) 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 15 ways as a sum of consecutive naturals, for example, 8540 + ... + 58433.

It is an arithmetic number, because the mean of its divisors is an integer number (119548590).

Almost surely, 2^1670775431 is an apocalyptic number.

1670775431 is a deficient number, since it is larger than the sum of its proper divisors (242002009).

1670775431 is a wasteful number, since it uses less digits than its factorization.

1670775431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67106.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 1670775431 is about 40875.1199508943. The cubic root of 1670775431 is about 1186.6045977176.

The spelling of 1670775431 in words is "one billion, six hundred seventy million, seven hundred seventy-five thousand, four hundred thirty-one".