646820000141 has 16 divisors (see below), whose sum is σ = 746830051968. Its totient is φ = 548740785600.

The previous prime is 646820000027. The next prime is 646820000147. The reversal of 646820000141 is 141000028646.

It is not a de Polignac number, because 646820000141 - 2¹⁴ = 646819983757 is a prime.

It is a super-2 number, since 2×646820000141² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 646820000098 and 646820000107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646820000147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942410 + ... + 1477083.

It is an arithmetic number, because the mean of its divisors is an integer number (46676878248).

Almost surely, 2^646820000141 is an apocalyptic number.

It is an amenable number.

646820000141 is a deficient number, since it is larger than the sum of its proper divisors (100010051827).

646820000141 is a wasteful number, since it uses less digits than its factorization.

646820000141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419892.

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 646820000141 its reverse (141000028646), we get a palindrome (787820028787).

The spelling of 646820000141 in words is "six hundred forty-six billion, eight hundred twenty million, one hundred forty-one", and thus it is an aban number.