1672311926041 has 3 divisors (see below), whose sum is σ = 1672313219221. Its totient is φ = 1672310632862.

The previous prime is 1672311926017. The next prime is 1672311926057. The reversal of 1672311926041 is 1406291132761.

It is a happy number.

The square root of 1672311926041 is 1293179.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1672311926041 - 2¹³ = 1672311917849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672311926011) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 646590 + ... + 1939768.

Almost surely, 2^{1672311926041} is an apocalyptic number.

1672311926041 is the 1293179-th square number.

1672311926041 is the 646590-th centered octagonal number.

It is an amenable number.

1672311926041 is a deficient number, since it is larger than the sum of its proper divisors (1293180).

1672311926041 is an frugal number, since it uses more digits than its factorization.

1672311926041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586358 (or 1293179 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 1672311926041 in words is "one trillion, six hundred seventy-two billion, three hundred eleven million, nine hundred twenty-six thousand, forty-one".