37274625161 has 2 divisors, whose sum is σ = 37274625162. Its totient is φ = 37274625160.

The previous prime is 37274625151. The next prime is 37274625173. The reversal of 37274625161 is 16152647273.

It is a happy number.

37274625161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29866752400 + 7407872761 = 172820^2 + 86069^2 .

It is a cyclic number.

It is not a de Polignac number, because 37274625161 - 2⁶ = 37274625097 is a prime.

It is not a weakly prime, because it can be changed into another prime (37274625151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18637312580 + 18637312581.

It is an arithmetic number, because the mean of its divisors is an integer number (18637312581).

Almost surely, 2^37274625161 is an apocalyptic number.

It is an amenable number.

37274625161 is a deficient number, since it is larger than the sum of its proper divisors (1).

37274625161 is an equidigital number, since it uses as much as digits as its factorization.

37274625161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The spelling of 37274625161 in words is "thirty-seven billion, two hundred seventy-four million, six hundred twenty-five thousand, one hundred sixty-one".