1610673157 has 2 divisors, whose sum is σ = 1610673158. Its totient is φ = 1610673156.

The previous prime is 1610673101. The next prime is 1610673217. The reversal of 1610673157 is 7513760161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1576963521 + 33709636 = 39711^2 + 5806^2 .

It is a cyclic number.

It is not a de Polignac number, because 1610673157 - 2²³ = 1602284549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1610643157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805336578 + 805336579.

It is an arithmetic number, because the mean of its divisors is an integer number (805336579).

Almost surely, 2^1610673157 is an apocalyptic number.

It is an amenable number.

1610673157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610673157 is an equidigital number, since it uses as much as digits as its factorization.

1610673157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1610673157 is about 40133.1927087791. The cubic root of 1610673157 is about 1172.2020421188.

The spelling of 1610673157 in words is "one billion, six hundred ten million, six hundred seventy-three thousand, one hundred fifty-seven".