206061738458988 has 24 divisors (see below), whose sum is σ = 501715537118208. Its totient is φ = 65700844146256.

The previous prime is 206061738458969. The next prime is 206061738459037. The reversal of 206061738458988 is 889854837160602.

It is a super-2 number, since 2×206061738458988² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373300250556 + ... + 373300251107.

It is an arithmetic number, because the mean of its divisors is an integer number (20904814046592).

It is a 1-persistent number, because it is pandigital, but 2⋅206061738458988 = 412123476917976 is not.

Almost surely, 2^{206061738458988} is an apocalyptic number.

It is an amenable number.

206061738458988 is an abundant number, since it is smaller than the sum of its proper divisors (295653798659220).

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

206061738458988 is a wasteful number, since it uses less digits than its factorization.

206061738458988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746600501693 (or 746600501691 counting only the distinct ones).

The product of its (nonzero) digits is 1114767360, while the sum is 75.

The spelling of 206061738458988 in words is "two hundred six trillion, sixty-one billion, seven hundred thirty-eight million, four hundred fifty-eight thousand, nine hundred eighty-eight".