70667161031 has 2 divisors, whose sum is σ = 70667161032. Its totient is φ = 70667161030.

The previous prime is 70667160983. The next prime is 70667161099. The reversal of 70667161031 is 13016176607.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70667161031 is a prime.

It is a super-2 number, since 2×70667161031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70667169031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35333580515 + 35333580516.

It is an arithmetic number, because the mean of its divisors is an integer number (35333580516).

Almost surely, 2^70667161031 is an apocalyptic number.

70667161031 is a deficient number, since it is larger than the sum of its proper divisors (1).

70667161031 is an equidigital number, since it uses as much as digits as its factorization.

70667161031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The spelling of 70667161031 in words is "seventy billion, six hundred sixty-seven million, one hundred sixty-one thousand, thirty-one".