366725621951 has 16 divisors (see below), whose sum is σ = 395578245888. Its totient is φ = 337965312000.

The previous prime is 366725621947. The next prime is 366725621981. The reversal of 366725621951 is 159126527663.

It is a cyclic number.

It is not a de Polignac number, because 366725621951 - 2² = 366725621947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 366725621893 and 366725621902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366725621981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22074290 + ... + 22090896.

It is an arithmetic number, because the mean of its divisors is an integer number (24723640368).

Almost surely, 2^366725621951 is an apocalyptic number.

366725621951 is a deficient number, since it is larger than the sum of its proper divisors (28852623937).

366725621951 is a wasteful number, since it uses less digits than its factorization.

366725621951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19282.

The product of its digits is 4082400, while the sum is 53.

The spelling of 366725621951 in words is "three hundred sixty-six billion, seven hundred twenty-five million, six hundred twenty-one thousand, nine hundred fifty-one".