1610641541 has 2 divisors, whose sum is σ = 1610641542. Its totient is φ = 1610641540.

The previous prime is 1610641537. The next prime is 1610641567. The reversal of 1610641541 is 1451460161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1369740100 + 240901441 = 37010^2 + 15521^2 .

It is a cyclic number.

It is not a de Polignac number, because 1610641541 - 2² = 1610641537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1610641741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805320770 + 805320771.

It is an arithmetic number, because the mean of its divisors is an integer number (805320771).

Almost surely, 2^1610641541 is an apocalyptic number.

It is an amenable number.

1610641541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610641541 is an equidigital number, since it uses as much as digits as its factorization.

1610641541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1610641541 is about 40132.7988184228. The cubic root of 1610641541 is about 1172.1943723272.

The spelling of 1610641541 in words is "one billion, six hundred ten million, six hundred forty-one thousand, five hundred forty-one".