1672766131 has 2 divisors, whose sum is σ = 1672766132. Its totient is φ = 1672766130.

The previous prime is 1672766129. The next prime is 1672766191. The reversal of 1672766131 is 1316672761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1672766131 - 2¹ = 1672766129 is a prime.

It is a super-2 number, since 2×1672766131² = 5596293058041418322, which contains 22 as substring.

Together with 1672766129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1672766101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836383065 + 836383066.

It is an arithmetic number, because the mean of its divisors is an integer number (836383066).

Almost surely, 2^1672766131 is an apocalyptic number.

1672766131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672766131 is an equidigital number, since it uses as much as digits as its factorization.

1672766131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 1672766131 is about 40899.4637006404. The cubic root of 1672766131 is about 1187.0756836150.

The spelling of 1672766131 in words is "one billion, six hundred seventy-two million, seven hundred sixty-six thousand, one hundred thirty-one".