641415514146 has 32 divisors (see below), whose sum is σ = 1419162633216. Its totient is φ = 191630754000.

The previous prime is 641415514133. The next prime is 641415514183.

It is a happy number.

641415514146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×641415514146² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 641415514098 and 641415514107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68434870 + ... + 68444241.

It is an arithmetic number, because the mean of its divisors is an integer number (44348832288).

Almost surely, 2^641415514146 is an apocalyptic number.

641415514146 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

641415514146 is an abundant number, since it is smaller than the sum of its proper divisors (777747119070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641415514146 is a wasteful number, since it uses less digits than its factorization.

641415514146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136879198.

The product of its digits is 230400, while the sum is 42.

The spelling of 641415514146 in words is "six hundred forty-one billion, four hundred fifteen million, five hundred fourteen thousand, one hundred forty-six".