1611456646151 has 16 divisors (see below), whose sum is σ = 1824171072768. Its totient is φ = 1410738302400.

The previous prime is 1611456646141. The next prime is 1611456646181. The reversal of 1611456646151 is 1516466541161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1611456646151 is a prime.

It is a super-2 number, since 2×1611456646151² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1611456646096 and 1611456646105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611456646141) 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 15 ways as a sum of consecutive naturals, for example, 23958566 + ... + 24025731.

It is an arithmetic number, because the mean of its divisors is an integer number (114010692048).

Almost surely, 2^{1611456646151} is an apocalyptic number.

1611456646151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1611456646151 is a deficient number, since it is larger than the sum of its proper divisors (212714426617).

1611456646151 is a wasteful number, since it uses less digits than its factorization.

1611456646151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47984422.

The product of its digits is 518400, while the sum is 47.

The spelling of 1611456646151 in words is "one trillion, six hundred eleven billion, four hundred fifty-six million, six hundred forty-six thousand, one hundred fifty-one".