164441405151651 has 64 divisors (see below), whose sum is σ = 232354651921920. Its totient is φ = 103344329088000.

The previous prime is 164441405151649. The next prime is 164441405151703. The reversal of 164441405151651 is 156151504144461.

It is not a de Polignac number, because 164441405151651 - 2¹ = 164441405151649 is a prime.

It is a super-3 number, since 3×164441405151651³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164441405151651.

It is not an unprimeable number, because it can be changed into a prime (164441405151641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90848481 + ... + 92640861.

It is an arithmetic number, because the mean of its divisors is an integer number (3630541436280).

Almost surely, 2^{164441405151651} is an apocalyptic number.

164441405151651 is a deficient number, since it is larger than the sum of its proper divisors (67913246770269).

164441405151651 is a wasteful number, since it uses less digits than its factorization.

164441405151651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792708.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 164441405151651 in words is "one hundred sixty-four trillion, four hundred forty-one billion, four hundred five million, one hundred fifty-one thousand, six hundred fifty-one".