641672505276146 has 16 divisors (see below), whose sum is σ = 972070808670720. Its totient is φ = 317649113242800.

The previous prime is 641672505276071. The next prime is 641672505276157.

641672505276146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×641672505276146² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46611026 + ... + 58787181.

It is an arithmetic number, because the mean of its divisors is an integer number (60754425541920).

Almost surely, 2^{641672505276146} is an apocalyptic number.

641672505276146 is a deficient number, since it is larger than the sum of its proper divisors (330398303394574).

641672505276146 is a wasteful number, since it uses less digits than its factorization.

641672505276146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105428449.

The product of its (nonzero) digits is 101606400, while the sum is 62.

The spelling of 641672505276146 in words is "six hundred forty-one trillion, six hundred seventy-two billion, five hundred five million, two hundred seventy-six thousand, one hundred forty-six".