2977003061656 has 32 divisors (see below), whose sum is σ = 6011339619600. Its totient is φ = 1373982341760.

The previous prime is 2977003061651. The next prime is 2977003061729. The reversal of 2977003061656 is 6561603007792.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2977003061651) 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 7 ways as a sum of consecutive naturals, for example, 9680875 + ... + 9983653.

Almost surely, 2^{2977003061656} is an apocalyptic number.

2977003061656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2977003061656 is an abundant number, since it is smaller than the sum of its proper divisors (3034336557944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2977003061656 is a wasteful number, since it uses less digits than its factorization.

2977003061656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397339 (or 397335 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 2977003061656 in words is "two trillion, nine hundred seventy-seven billion, three million, sixty-one thousand, six hundred fifty-six".