1864164741 has 8 divisors (see below), whose sum is σ = 2494037280. Its totient is φ = 1238534352.

The previous prime is 1864164703. The next prime is 1864164763. The reversal of 1864164741 is 1474614681.

It is a happy number.

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

It is not a de Polignac number, because 1864164741 - 2¹⁸ = 1863902597 is a prime.

It is a super-2 number, since 2×1864164741² = 6950220363175194162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1864164693 and 1864164702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1864164041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059511 + ... + 1061268.

It is an arithmetic number, because the mean of its divisors is an integer number (311754660).

Almost surely, 2^1864164741 is an apocalyptic number.

It is an amenable number.

1864164741 is a deficient number, since it is larger than the sum of its proper divisors (629872539).

1864164741 is a wasteful number, since it uses less digits than its factorization.

1864164741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121075.

The product of its digits is 129024, while the sum is 42.

The square root of 1864164741 is about 43175.9741175576. The cubic root of 1864164741 is about 1230.7261539387.

The spelling of 1864164741 in words is "one billion, eight hundred sixty-four million, one hundred sixty-four thousand, seven hundred forty-one".