1606061551001 has 4 divisors (see below), whose sum is σ = 1675890314112. Its totient is φ = 1536232787892.

The previous prime is 1606061550979. The next prime is 1606061551033. The reversal of 1606061551001 is 1001551606061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606061551001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1606061551051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34914381521 + ... + 34914381566.

It is an arithmetic number, because the mean of its divisors is an integer number (418972578528).

Almost surely, 2^{1606061551001} is an apocalyptic number.

It is an amenable number.

1606061551001 is a deficient number, since it is larger than the sum of its proper divisors (69828763111).

1606061551001 is an equidigital number, since it uses as much as digits as its factorization.

1606061551001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69828763110.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 1606061551001 in words is "one trillion, six hundred six billion, sixty-one million, five hundred fifty-one thousand, one".