1641516151 has 8 divisors (see below), whose sum is σ = 1791532944. Its totient is φ = 1491630720.

The previous prime is 1641516119. The next prime is 1641516167. The reversal of 1641516151 is 1516151461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1641516151 - 2⁵ = 1641516119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641516101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5730 + ... + 57583.

It is an arithmetic number, because the mean of its divisors is an integer number (223941618).

Almost surely, 2^1641516151 is an apocalyptic number.

1641516151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1641516151 is a deficient number, since it is larger than the sum of its proper divisors (150016793).

1641516151 is a wasteful number, since it uses less digits than its factorization.

1641516151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65681.

The product of its digits is 3600, while the sum is 31.

The square root of 1641516151 is about 40515.6284784032. The cubic root of 1641516151 is about 1179.6370019608.

The spelling of 1641516151 in words is "one billion, six hundred forty-one million, five hundred sixteen thousand, one hundred fifty-one".