1618711788050 has 192 divisors, whose sum is σ = 3597519744000. Its totient is φ = 541452038400.

The previous prime is 1618711788049. The next prime is 1618711788053. The reversal of 1618711788050 is 508871178161.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 1618711787983 and 1618711788001.

It is not an unprimeable number, because it can be changed into a prime (1618711788053) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 164515031 + ... + 164524869.

It is an arithmetic number, because the mean of its divisors is an integer number (18737082000).

Almost surely, 2^{1618711788050} is an apocalyptic number.

1618711788050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1618711788050 is an abundant number, since it is smaller than the sum of its proper divisors (1978807955950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1618711788050 is a wasteful number, since it uses less digits than its factorization.

1618711788050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106 (or 10087 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 53.

The spelling of 1618711788050 in words is "one trillion, six hundred eighteen billion, seven hundred eleven million, seven hundred eighty-eight thousand, fifty".