203406354614402 has 16 divisors (see below), whose sum is σ = 314963866275072. Its totient is φ = 98418651093360.

The previous prime is 203406354614401. The next prime is 203406354614509. The reversal of 203406354614402 is 204416453604302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (203406354614401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61347668 + ... + 64578239.

It is an arithmetic number, because the mean of its divisors is an integer number (19685241642192).

Almost surely, 2^{203406354614402} is an apocalyptic number.

203406354614402 is a deficient number, since it is larger than the sum of its proper divisors (111557511660670).

203406354614402 is a wasteful number, since it uses less digits than its factorization.

203406354614402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125951993.

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 203406354614402 in words is "two hundred three trillion, four hundred six billion, three hundred fifty-four million, six hundred fourteen thousand, four hundred two".