356221651401 has 192 divisors, whose sum is σ = 689455742976. Its totient is φ = 171748684800.

The previous prime is 356221651399. The next prime is 356221651453. The reversal of 356221651401 is 104156122653.

356221651401 is a `hidden beast` number, since 3 + 5 + 622 + 16 + 5 + 14 + 0 + 1 = 666.

It is not a de Polignac number, because 356221651401 - 2¹ = 356221651399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (356221653401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 128737920 + ... + 128740686.

It is an arithmetic number, because the mean of its divisors is an integer number (3590915328).

Almost surely, 2^356221651401 is an apocalyptic number.

It is an amenable number.

356221651401 is a deficient number, since it is larger than the sum of its proper divisors (333234091575).

356221651401 is a wasteful number, since it uses less digits than its factorization.

356221651401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052 (or 3049 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 356221651401 in words is "three hundred fifty-six billion, two hundred twenty-one million, six hundred fifty-one thousand, four hundred one".