1672644141522 has 12 divisors (see below), whose sum is σ = 3624062306670. Its totient is φ = 557548047168.

The previous prime is 1672644141517. The next prime is 1672644141523. The reversal of 1672644141522 is 2251414462761.

1672644141522 is a `hidden beast` number, since 1 + 6 + 72 + 6 + 44 + 14 + 1 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1543361467041 + 129282674481 = 1242321^2 + 359559^2 .

It is not an unprimeable number, because it can be changed into a prime (1672644141523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46462337247 + ... + 46462337282.

Almost surely, 2^{1672644141522} is an apocalyptic number.

1672644141522 is an abundant number, since it is smaller than the sum of its proper divisors (1951418165148).

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

1672644141522 is a wasteful number, since it uses less digits than its factorization.

1672644141522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92924674537 (or 92924674534 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 1672644141522 in words is "one trillion, six hundred seventy-two billion, six hundred forty-four million, one hundred forty-one thousand, five hundred twenty-two".