7146636199988 has 6 divisors (see below), whose sum is σ = 12506613349986. Its totient is φ = 3573318099992.

The previous prime is 7146636199987. The next prime is 7146636200027. The reversal of 7146636199988 is 8899916366417.

It can be written as a sum of positive squares in only one way, i.e., 4271753179684 + 2874883020304 = 2066822^2 + 1695548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7146636199987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 893329524995 + ... + 893329525002.

It is an arithmetic number, because the mean of its divisors is an integer number (2084435558331).

Almost surely, 2^{7146636199988} is an apocalyptic number.

It is an amenable number.

7146636199988 is a deficient number, since it is larger than the sum of its proper divisors (5359977149998).

7146636199988 is a wasteful number, since it uses less digits than its factorization.

7146636199988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786659050001 (or 1786659049999 counting only the distinct ones).

The product of its digits is 846526464, while the sum is 77.

The spelling of 7146636199988 in words is "seven trillion, one hundred forty-six billion, six hundred thirty-six million, one hundred ninety-nine thousand, nine hundred eighty-eight".