1672151071 has 2 divisors, whose sum is σ = 1672151072. Its totient is φ = 1672151070.

The previous prime is 1672151023. The next prime is 1672151077. The reversal of 1672151071 is 1701512761.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1672151071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1672151077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836075535 + 836075536.

It is an arithmetic number, because the mean of its divisors is an integer number (836075536).

Almost surely, 2^1672151071 is an apocalyptic number.

1672151071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672151071 is an equidigital number, since it uses as much as digits as its factorization.

1672151071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 31.

The square root of 1672151071 is about 40891.9438398323. The cubic root of 1672151071 is about 1186.9301736797.

The spelling of 1672151071 in words is "one billion, six hundred seventy-two million, one hundred fifty-one thousand, seventy-one".