206451512 has 16 divisors (see below), whose sum is σ = 387531600. Its totient is φ = 103109760.

The previous prime is 206451491. The next prime is 206451541. The reversal of 206451512 is 215154602.

It is a super-2 number, since 2×206451512² = 85244453614172288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6689 + ... + 21392.

It is an arithmetic number, because the mean of its divisors is an integer number (24220725).

Almost surely, 2^206451512 is an apocalyptic number.

It is an amenable number.

206451512 is a deficient number, since it is larger than the sum of its proper divisors (181080088).

206451512 is a wasteful number, since it uses less digits than its factorization.

206451512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29006 (or 29002 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 206451512 is about 14368.4206508579. The cubic root of 206451512 is about 591.0252326648.

The spelling of 206451512 in words is "two hundred six million, four hundred fifty-one thousand, five hundred twelve".