1618602857151 has 16 divisors (see below), whose sum is σ = 2466867810048. Its totient is φ = 924756408000.

The previous prime is 1618602857143. The next prime is 1618602857153. The reversal of 1618602857151 is 1517582068161.

It is not a de Polignac number, because 1618602857151 - 2³ = 1618602857143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1618602857094 and 1618602857103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618602857153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6521545 + ... + 6765186.

It is an arithmetic number, because the mean of its divisors is an integer number (154179238128).

Almost surely, 2^{1618602857151} is an apocalyptic number.

1618602857151 is a deficient number, since it is larger than the sum of its proper divisors (848264952897).

1618602857151 is a wasteful number, since it uses less digits than its factorization.

1618602857151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13292542.

The product of its (nonzero) digits is 806400, while the sum is 51.

The spelling of 1618602857151 in words is "one trillion, six hundred eighteen billion, six hundred two million, eight hundred fifty-seven thousand, one hundred fifty-one".