2616051551 has 4 divisors (see below), whose sum is σ = 2658937704. Its totient is φ = 2573165400.

The previous prime is 2616051541. The next prime is 2616051569. The reversal of 2616051551 is 1551506162.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2616051551 - 2¹⁰ = 2616050527 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 (2616051521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21442985 + ... + 21443106.

It is an arithmetic number, because the mean of its divisors is an integer number (664734426).

Almost surely, 2^2616051551 is an apocalyptic number.

2616051551 is a deficient number, since it is larger than the sum of its proper divisors (42886153).

2616051551 is an equidigital number, since it uses as much as digits as its factorization.

2616051551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42886152.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 2616051551 is about 51147.3513585992. The cubic root of 2616051551 is about 1377.8928057215.

The spelling of 2616051551 in words is "two billion, six hundred sixteen million, fifty-one thousand, five hundred fifty-one".