1618652077051 has 2 divisors, whose sum is σ = 1618652077052. Its totient is φ = 1618652077050.

The previous prime is 1618652077043. The next prime is 1618652077057. The reversal of 1618652077051 is 1507702568161.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1507702568161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1618652077051 - 2³ = 1618652077043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1618652076986 and 1618652077004.

It is not a weakly prime, because it can be changed into another prime (1618652077057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 809326038525 + 809326038526.

It is an arithmetic number, because the mean of its divisors is an integer number (809326038526).

Almost surely, 2^{1618652077051} is an apocalyptic number.

1618652077051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1618652077051 is an equidigital number, since it uses as much as digits as its factorization.

1618652077051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 1618652077051 in words is "one trillion, six hundred eighteen billion, six hundred fifty-two million, seventy-seven thousand, fifty-one".